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121041320 = 2354916163
BaseRepresentation
bin1110011011011…
…11000110101000
322102202112110212
413031233012220
5221441310240
620002200252
72666556101
oct715570650
9272675425
10121041320
1162363154
1234653088
131c0ccbaa
141210b3a8
15a95e165
hex736f1a8

121041320 has 32 divisors (see below), whose sum is σ = 272941920. Its totient is φ = 48310080.

The previous prime is 121041317. The next prime is 121041367. The reversal of 121041320 is 23140121.

It is a super-2 number, since 2×1210413202 = 29302002294684800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121041295 and 121041304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16559 + ... + 22721.

It is an arithmetic number, because the mean of its divisors is an integer number (8529435).

Almost surely, 2121041320 is an apocalyptic number.

121041320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121041320 is an abundant number, since it is smaller than the sum of its proper divisors (151900600).

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

121041320 is a wasteful number, since it uses less digits than its factorization.

121041320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6665 (or 6661 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 121041320 is about 11001.8780215016. The cubic root of 121041320 is about 494.6650388356.

Adding to 121041320 its reverse (23140121), we get a palindrome (144181441).

The spelling of 121041320 in words is "one hundred twenty-one million, forty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 491 982 1964 2455 3928 4910 6163 9820 12326 19640 24652 30815 49304 61630 123260 246520 3026033 6052066 12104132 15130165 24208264 30260330 60520660 121041320