752121104 has 20 divisors (see below), whose sum is σ = 1665411264. Its totient is φ = 322337568.

The previous prime is 752121103. The next prime is 752121109. The reversal of 752121104 is 401121257.

It is a self number, because there is not a number n which added to its sum of digits gives 752121104.

It is not an unprimeable number, because it can be changed into a prime (752121103) by changing a digit.

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, 3357572 + ... + 3357795.

Almost surely, 2^752121104 is an apocalyptic number.

It is an amenable number.

752121104 is an abundant number, since it is smaller than the sum of its proper divisors (913290160).

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

752121104 is a wasteful number, since it uses less digits than its factorization.

752121104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6715382 (or 6715376 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 752121104 is about 27424.8264169529. The cubic root of 752121104 is about 909.4160017397.

The spelling of 752121104 in words is "seven hundred fifty-two million, one hundred twenty-one thousand, one hundred four".