1252286854 has 32 divisors (see below), whose sum is σ = 2313916416. Its totient is φ = 494981280.

The previous prime is 1252286839. The next prime is 1252286857. The reversal of 1252286854 is 4586822521.

It is a self number, because there is not a number n which added to its sum of digits gives 1252286854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252286857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282999 + ... + 287389.

It is an arithmetic number, because the mean of its divisors is an integer number (72309888).

Almost surely, 2^1252286854 is an apocalyptic number.

1252286854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1252286854 is a deficient number, since it is larger than the sum of its proper divisors (1061629562).

1252286854 is a wasteful number, since it uses less digits than its factorization.

1252286854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5980.

The product of its digits is 307200, while the sum is 43.

The square root of 1252286854 is about 35387.6652804335. The cubic root of 1252286854 is about 1077.8738618282.

The spelling of 1252286854 in words is "one billion, two hundred fifty-two million, two hundred eighty-six thousand, eight hundred fifty-four".