1250133680 has 40 divisors (see below), whose sum is σ = 2917661472. Its totient is φ = 498143744.

The previous prime is 1250133679. The next prime is 1250133727. The reversal of 1250133680 is 863310521.

It is a tau number, because it is divible by the number of its divisors (40).

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, 8669 + ... + 50748.

Almost surely, 2^1250133680 is an apocalyptic number.

1250133680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1250133680 is an abundant number, since it is smaller than the sum of its proper divisors (1667527792).

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

1250133680 is a wasteful number, since it uses less digits than its factorization.

1250133680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59693 (or 59687 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1250133680 is about 35357.2295294753. The cubic root of 1250133680 is about 1077.2557442910.

The spelling of 1250133680 in words is "one billion, two hundred fifty million, one hundred thirty-three thousand, six hundred eighty".