1250013650 has 12 divisors (see below), whose sum is σ = 2325025482. Its totient is φ = 500005440.

The previous prime is 1250013643. The next prime is 1250013671. The reversal of 1250013650 is 563100521.

It can be written as a sum of positive squares in 3 ways, for example, as 605209201 + 644804449 = 24601^2 + 25393^2 .

1250013650 is a modest number, since divided by 13650 gives 1250 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12500087 + ... + 12500186.

Almost surely, 2^1250013650 is an apocalyptic number.

1250013650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1250013650 is a deficient number, since it is larger than the sum of its proper divisors (1075011832).

1250013650 is a wasteful number, since it uses less digits than its factorization.

1250013650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25000285 (or 25000280 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1250013650 is about 35355.5320989516. The cubic root of 1250013650 is about 1077.2212660728.

The spelling of 1250013650 in words is "one billion, two hundred fifty million, thirteen thousand, six hundred fifty".