1252020753 has 16 divisors (see below), whose sum is σ = 1860114240. Its totient is φ = 832309632.

The previous prime is 1252020739. The next prime is 1252020779. The reversal of 1252020753 is 3570202521.

It is not a de Polignac number, because 1252020753 - 2¹² = 1252016657 is a prime.

It is a super-3 number, since 3×1252020753³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1252020703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56151 + ... + 75212.

It is an arithmetic number, because the mean of its divisors is an integer number (116257140).

Almost surely, 2^1252020753 is an apocalyptic number.

It is an amenable number.

1252020753 is a deficient number, since it is larger than the sum of its proper divisors (608093487).

1252020753 is a wasteful number, since it uses less digits than its factorization.

1252020753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131725 (or 131719 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 1252020753 is about 35383.9052819216. The cubic root of 1252020753 is about 1077.7975098780.

The spelling of 1252020753 in words is "one billion, two hundred fifty-two million, twenty thousand, seven hundred fifty-three".