1252893855 has 16 divisors (see below), whose sum is σ = 2005415424. Its totient is φ = 667948320.

The previous prime is 1252893833. The next prime is 1252893869. The reversal of 1252893855 is 5583982521.

It is a happy number.

It is not a de Polignac number, because 1252893855 - 2⁶ = 1252893791 is a prime.

It is a super-2 number, since 2×1252893855² = 3139486023793522050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26902 + ... + 56828.

It is an arithmetic number, because the mean of its divisors is an integer number (125338464).

Almost surely, 2^1252893855 is an apocalyptic number.

1252893855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1252893855 is a deficient number, since it is larger than the sum of its proper divisors (752521569).

1252893855 is a wasteful number, since it uses less digits than its factorization.

1252893855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32726.

The product of its digits is 864000, while the sum is 48.

The square root of 1252893855 is about 35396.2406902202. The cubic root of 1252893855 is about 1078.0479872232.

The spelling of 1252893855 in words is "one billion, two hundred fifty-two million, eight hundred ninety-three thousand, eight hundred fifty-five".