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122387112 = 2334188869
BaseRepresentation
bin1110100101101…
…11101010101000
322112021220120000
413102313222220
5222312341422
620051103000
73014162511
oct722675250
9275256500
10122387112
11630a2281
1234ba1a60
131c481613
141237ba08
15ab27cac
hex74b7aa8

122387112 has 40 divisors (see below), whose sum is σ = 342799050. Its totient is φ = 40795488.

The previous prime is 122387087. The next prime is 122387129. The reversal of 122387112 is 211783221.

It can be written as a sum of positive squares in only one way, i.e., 78747876 + 43639236 = 8874^2 + 6606^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 93787 + ... + 95082.

Almost surely, 2122387112 is an apocalyptic number.

122387112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122387112 is an abundant number, since it is smaller than the sum of its proper divisors (220411938).

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

122387112 is a wasteful number, since it uses less digits than its factorization.

122387112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188887 (or 188874 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 122387112 is about 11062.8708751391. The cubic root of 122387112 is about 496.4915890179.

The spelling of 122387112 in words is "one hundred twenty-two million, three hundred eighty-seven thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 188869 377738 566607 755476 1133214 1510952 1699821 2266428 3399642 4532856 5099463 6799284 10198926 13598568 15298389 20397852 30596778 40795704 61193556 122387112