121574532 has 12 divisors (see below), whose sum is σ = 283673936. Its totient is φ = 40524840.

The previous prime is 121574503. The next prime is 121574549. The reversal of 121574532 is 235475121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 121574532.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5065594 + ... + 5065617.

Almost surely, 2^121574532 is an apocalyptic number.

121574532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121574532 is an abundant number, since it is smaller than the sum of its proper divisors (162099404).

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

121574532 is a wasteful number, since it uses less digits than its factorization.

121574532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10131218 (or 10131216 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 121574532 is about 11026.0841643804. The cubic root of 121574532 is about 495.3903420408.

The spelling of 121574532 in words is "one hundred twenty-one million, five hundred seventy-four thousand, five hundred thirty-two".