1252142902 has 16 divisors (see below), whose sum is σ = 1987430400. Its totient is φ = 590011560.

The previous prime is 1252142821. The next prime is 1252142923. The reversal of 1252142902 is 2092412521.

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, 79002 + ... + 93517.

It is an arithmetic number, because the mean of its divisors is an integer number (124214400).

Almost surely, 2^1252142902 is an apocalyptic number.

1252142902 is a deficient number, since it is larger than the sum of its proper divisors (735287498).

1252142902 is a wasteful number, since it uses less digits than its factorization.

1252142902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172731.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1252142902 is about 35385.6312929415. The cubic root of 1252142902 is about 1077.8325592456.

The spelling of 1252142902 in words is "one billion, two hundred fifty-two million, one hundred forty-two thousand, nine hundred two".