752253121 has 4 divisors (see below), whose sum is σ = 759283632. Its totient is φ = 745222612.

The previous prime is 752253119. The next prime is 752253133. The reversal of 752253121 is 121352257.

752253121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 752253121 - 2¹ = 752253119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 752253121.

It is not an unprimeable number, because it can be changed into a prime (752253521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3515095 + ... + 3515308.

It is an arithmetic number, because the mean of its divisors is an integer number (189820908).

Almost surely, 2^752253121 is an apocalyptic number.

It is an amenable number.

752253121 is a deficient number, since it is larger than the sum of its proper divisors (7030511).

752253121 is a wasteful number, since it uses less digits than its factorization.

752253121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7030510.

The product of its digits is 4200, while the sum is 28.

The square root of 752253121 is about 27427.2331998691. The cubic root of 752253121 is about 909.4692074215.

The spelling of 752253121 in words is "seven hundred fifty-two million, two hundred fifty-three thousand, one hundred twenty-one".