1252757850 has 24 divisors (see below), whose sum is σ = 3106839840. Its totient is φ = 334068720.

The previous prime is 1252757827. The next prime is 1252757861. The reversal of 1252757850 is 587572521.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4175710 + ... + 4176009.

It is an arithmetic number, because the mean of its divisors is an integer number (129451660).

Almost surely, 2^1252757850 is an apocalyptic number.

1252757850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1252757850 is an abundant number, since it is smaller than the sum of its proper divisors (1854081990).

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

1252757850 is a wasteful number, since it uses less digits than its factorization.

1252757850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8351734 (or 8351729 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 42.

The square root of 1252757850 is about 35394.3194594839. The cubic root of 1252757850 is about 1078.0089774748.

The spelling of 1252757850 in words is "one billion, two hundred fifty-two million, seven hundred fifty-seven thousand, eight hundred fifty".