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120906137 = 1147233861
BaseRepresentation
bin1110011010011…
…10000110011001
322102111200001002
413031032012121
5221422444022
615555234345
72665454012
oct715160631
9272450032
10120906137
1162280630
12345a89b5
131c0834c1
14120b4009
15a934092
hex734e199

120906137 has 8 divisors (see below), whose sum is σ = 134704512. Its totient is φ = 107575600.

The previous prime is 120906131. The next prime is 120906217. The reversal of 120906137 is 731609021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120906137 - 26 = 120906073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120906131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116414 + ... + 117447.

It is an arithmetic number, because the mean of its divisors is an integer number (16838064).

Almost surely, 2120906137 is an apocalyptic number.

It is an amenable number.

120906137 is a deficient number, since it is larger than the sum of its proper divisors (13798375).

120906137 is a wasteful number, since it uses less digits than its factorization.

120906137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233919.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 120906137 is about 10995.7326722688. The cubic root of 120906137 is about 494.4808174096.

The spelling of 120906137 in words is "one hundred twenty million, nine hundred six thousand, one hundred thirty-seven".

Divisors: 1 11 47 517 233861 2572471 10991467 120906137