1252045201 has 12 divisors (see below), whose sum is σ = 1377235216. Its totient is φ = 1137379320.

The previous prime is 1252045163. The next prime is 1252045211. The reversal of 1252045201 is 1025402521.

It is not a de Polignac number, because 1252045201 - 2¹³ = 1252037009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252045211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208426 + ... + 214348.

Almost surely, 2^1252045201 is an apocalyptic number.

1252045201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1252045201 is a deficient number, since it is larger than the sum of its proper divisors (125190015).

1252045201 is a wasteful number, since it uses less digits than its factorization.

1252045201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7692 (or 7681 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1252045201 is about 35384.2507480376. The cubic root of 1252045201 is about 1077.8045251562.

Adding to 1252045201 its reverse (1025402521), we get a palindrome (2277447722).

The spelling of 1252045201 in words is "one billion, two hundred fifty-two million, forty-five thousand, two hundred one".