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121074100 = 22527224709
BaseRepresentation
bin1110011011101…
…11000110110100
322102211012102221
413031313012310
5221443332400
620003012124
73000053500
oct715670664
9272735387
10121074100
1162385844
123466a044
131c111aa4
1412119300
15a968c1a
hex73771b4

121074100 has 54 divisors (see below), whose sum is σ = 305637990. Its totient is φ = 41509440.

The previous prime is 121074097. The next prime is 121074103. The reversal of 121074100 is 1470121.

It is an interprime number because it is at equal distance from previous prime (121074097) and next prime (121074103).

It can be written as a sum of positive squares in 3 ways, for example, as 13454224 + 107619876 = 3668^2 + 10374^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121074103) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7455 + ... + 17254.

Almost surely, 2121074100 is an apocalyptic number.

121074100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121074100 is an abundant number, since it is smaller than the sum of its proper divisors (184563890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121074100 is a wasteful number, since it uses less digits than its factorization.

121074100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24737 (or 24723 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 121074100 is about 11003.3676663102. The cubic root of 121074100 is about 494.7096893082.

The spelling of 121074100 in words is "one hundred twenty-one million, seventy-four thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 49 50 70 98 100 140 175 196 245 350 490 700 980 1225 2450 4900 24709 49418 98836 123545 172963 247090 345926 494180 617725 691852 864815 1210741 1235450 1729630 2421482 2470900 3459260 4324075 4842964 6053705 8648150 12107410 17296300 24214820 30268525 60537050 121074100