120613287 has 16 divisors (see below), whose sum is σ = 166239360. Its totient is φ = 77743200.

The previous prime is 120613277. The next prime is 120613307. The reversal of 120613287 is 782316021.

It is a de Polignac number, because none of the positive numbers 2^k-120613287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120613217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5212 + ... + 16382.

It is an arithmetic number, because the mean of its divisors is an integer number (10389960).

Almost surely, 2^120613287 is an apocalyptic number.

120613287 is a deficient number, since it is larger than the sum of its proper divisors (45626073).

120613287 is a wasteful number, since it uses less digits than its factorization.

120613287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11294.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 120613287 is about 10982.4080692715. The cubic root of 120613287 is about 494.0812628913.

The spelling of 120613287 in words is "one hundred twenty million, six hundred thirteen thousand, two hundred eighty-seven".