1252053121 has 32 divisors (see below), whose sum is σ = 1444407552. Its totient is φ = 1075200000.

The previous prime is 1252053031. The next prime is 1252053151. The reversal of 1252053121 is 1213502521.

It is a cyclic number.

It is not a de Polignac number, because 1252053121 - 2⁷ = 1252052993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1252053092 and 1252053101.

It is not an unprimeable number, because it can be changed into a prime (1252053151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1952961 + ... + 1953601.

It is an arithmetic number, because the mean of its divisors is an integer number (45137736).

Almost surely, 2^1252053121 is an apocalyptic number.

1252053121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1252053121 is a deficient number, since it is larger than the sum of its proper divisors (192354431).

1252053121 is a wasteful number, since it uses less digits than its factorization.

1252053121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1252053121 is about 35384.3626620574. The cubic root of 1252053121 is about 1077.8067977563.

Adding to 1252053121 its reverse (1213502521), we get a palindrome (2465555642).

The spelling of 1252053121 in words is "one billion, two hundred fifty-two million, fifty-three thousand, one hundred twenty-one".