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120267137 = 128393739
BaseRepresentation
bin1110010101100…
…10000110000001
322101022012111102
413022302012001
5221242022022
615533424145
72660153024
oct712620601
9271265442
10120267137
1161984531
123433b055
131bbbb6b3
1411d891bb
15a859a92
hex72b2181

120267137 has 4 divisors (see below), whose sum is σ = 120362160. Its totient is φ = 120172116.

The previous prime is 120267127. The next prime is 120267139. The reversal of 120267137 is 731762021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 731762021 = 919796259.

It is a cyclic number.

It is not a de Polignac number, because 120267137 - 218 = 120004993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120267139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45587 + ... + 48152.

It is an arithmetic number, because the mean of its divisors is an integer number (30090540).

Almost surely, 2120267137 is an apocalyptic number.

It is an amenable number.

120267137 is a deficient number, since it is larger than the sum of its proper divisors (95023).

120267137 is an equidigital number, since it uses as much as digits as its factorization.

120267137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95022.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 120267137 is about 10966.6374518355. The cubic root of 120267137 is about 493.6081527692.

The spelling of 120267137 in words is "one hundred twenty million, two hundred sixty-seven thousand, one hundred thirty-seven".

Divisors: 1 1283 93739 120267137