99120532 has 36 divisors (see below), whose sum is σ = 202403124. Its totient is φ = 42349440.

The previous prime is 99120479. The next prime is 99120551. The reversal of 99120532 is 23502199.

It can be written as a sum of positive squares in 2 ways, for example, as 29964676 + 69155856 = 5474^2 + 8316^2 .

It is a junction number, because it is equal to n+sod(n) for n = 99120494 and 99120503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89808 + ... + 90904.

It is an arithmetic number, because the mean of its divisors is an integer number (5622309).

Almost surely, 2^99120532 is an apocalyptic number.

It is an amenable number.

99120532 is an abundant number, since it is smaller than the sum of its proper divisors (103282592).

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

99120532 is a wasteful number, since it uses less digits than its factorization.

99120532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576 (or 1567 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 99120532 is about 9955.9294895052. The cubic root of 99120532 is about 462.7941651383.

The spelling of 99120532 in words is "ninety-nine million, one hundred twenty thousand, five hundred thirty-two".