120531885 has 16 divisors (see below), whose sum is σ = 194762880. Its totient is φ = 63646400.

The previous prime is 120531871. The next prime is 120531893. The reversal of 120531885 is 588135021.

It is a happy number.

It is not a de Polignac number, because 120531885 - 2⁸ = 120531629 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38265 + ... + 41294.

It is an arithmetic number, because the mean of its divisors is an integer number (12172680).

Almost surely, 2^120531885 is an apocalyptic number.

120531885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120531885 is a deficient number, since it is larger than the sum of its proper divisors (74230995).

120531885 is a wasteful number, since it uses less digits than its factorization.

120531885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79668.

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 120531885 is about 10978.7014259429. The cubic root of 120531885 is about 493.9700859352.

The spelling of 120531885 in words is "one hundred twenty million, five hundred thirty-one thousand, eight hundred eighty-five".