120113287 has 4 divisors (see below), whose sum is σ = 137272336. Its totient is φ = 102954240.

The previous prime is 120113267. The next prime is 120113293. The reversal of 120113287 is 782311021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120113287 - 2⁷ = 120113159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120113207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8579514 + ... + 8579527.

It is an arithmetic number, because the mean of its divisors is an integer number (34318084).

Almost surely, 2^120113287 is an apocalyptic number.

120113287 is a deficient number, since it is larger than the sum of its proper divisors (17159049).

120113287 is an equidigital number, since it uses as much as digits as its factorization.

120113287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17159048.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 120113287 is about 10959.6207507377. The cubic root of 120113287 is about 493.3975825846.

The spelling of 120113287 in words is "one hundred twenty million, one hundred thirteen thousand, two hundred eighty-seven".