1252884126 has 16 divisors (see below), whose sum is σ = 2698519824. Its totient is φ = 385502784.

The previous prime is 1252884097. The next prime is 1252884151. The reversal of 1252884126 is 6214882521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8031231 + ... + 8031386.

It is an arithmetic number, because the mean of its divisors is an integer number (168657489).

Almost surely, 2^1252884126 is an apocalyptic number.

1252884126 is an abundant number, since it is smaller than the sum of its proper divisors (1445635698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252884126 is a wasteful number, since it uses less digits than its factorization.

1252884126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16062635.

The product of its digits is 61440, while the sum is 39.

The square root of 1252884126 is about 35396.1032601048. The cubic root of 1252884126 is about 1078.0451967883.

The spelling of 1252884126 in words is "one billion, two hundred fifty-two million, eight hundred eighty-four thousand, one hundred twenty-six".