120981532 has 24 divisors (see below), whose sum is σ = 247592576. Its totient is φ = 50642928.

The previous prime is 120981521. The next prime is 120981551. The reversal of 120981532 is 235189021.

It is a junction number, because it is equal to n+sod(n) for n = 120981494 and 120981503.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 49038 + ... + 51445.

Almost surely, 2^120981532 is an apocalyptic number.

It is an amenable number.

120981532 is an abundant number, since it is smaller than the sum of its proper divisors (126611044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120981532 is a wasteful number, since it uses less digits than its factorization.

120981532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100537 (or 100535 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 120981532 is about 10999.1605134210. The cubic root of 120981532 is about 494.5835793137.

The spelling of 120981532 in words is "one hundred twenty million, nine hundred eighty-one thousand, five hundred thirty-two".