1245446252 has 12 divisors (see below), whose sum is σ = 2180051160. Its totient is φ = 622574496.

The previous prime is 1245446239. The next prime is 1245446269. The reversal of 1245446252 is 2526445421.

It is a super-2 number, since 2×1245446252² = 3102272733241695008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17102 + ... + 52757.

It is an arithmetic number, because the mean of its divisors is an integer number (181670930).

Almost surely, 2^1245446252 is an apocalyptic number.

It is an amenable number.

1245446252 is a deficient number, since it is larger than the sum of its proper divisors (934604908).

1245446252 is a wasteful number, since it uses less digits than its factorization.

1245446252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74320 (or 74318 counting only the distinct ones).

The product of its digits is 76800, while the sum is 35.

The square root of 1245446252 is about 35290.8805784157. The cubic root of 1245446252 is about 1075.9076529693.

The spelling of 1245446252 in words is "one billion, two hundred forty-five million, four hundred forty-six thousand, two hundred fifty-two".