120887523 has 12 divisors (see below), whose sum is σ = 174980208. Its totient is φ = 80423280.

The previous prime is 120887521. The next prime is 120887551. The reversal of 120887523 is 325788021.

120887523 is a `hidden beast` number, since 120 + 8 + 8 + 7 + 523 = 666.

It is not a de Polignac number, because 120887523 - 2¹ = 120887521 is a prime.

It is a super-2 number, since 2×120887523² = 29227586434151058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120887521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9408 + ... + 18173.

It is an arithmetic number, because the mean of its divisors is an integer number (14581684).

Almost surely, 2^120887523 is an apocalyptic number.

120887523 is a deficient number, since it is larger than the sum of its proper divisors (54092685).

120887523 is a wasteful number, since it uses less digits than its factorization.

120887523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28074 (or 28071 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 120887523 is about 10994.8862204208. The cubic root of 120887523 is about 494.4554403181.

The spelling of 120887523 in words is "one hundred twenty million, eight hundred eighty-seven thousand, five hundred twenty-three".