1252665254 has 16 divisors (see below), whose sum is σ = 1918671408. Its totient is φ = 613233792.

The previous prime is 1252665233. The next prime is 1252665313. The reversal of 1252665254 is 4525662521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11312 + ... + 51315.

It is an arithmetic number, because the mean of its divisors is an integer number (119916963).

Almost surely, 2^1252665254 is an apocalyptic number.

1252665254 is a deficient number, since it is larger than the sum of its proper divisors (666006154).

1252665254 is a wasteful number, since it uses less digits than its factorization.

1252665254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62839.

The product of its digits is 144000, while the sum is 38.

The square root of 1252665254 is about 35393.0113723034. The cubic root of 1252665254 is about 1077.9824169338.

The spelling of 1252665254 in words is "one billion, two hundred fifty-two million, six hundred sixty-five thousand, two hundred fifty-four".