1251000672 has 48 divisors (see below), whose sum is σ = 3285706032. Its totient is φ = 416768000.

The previous prime is 1251000661. The next prime is 1251000701. The reversal of 1251000672 is 2760001521.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 310672 + ... + 314672.

It is an arithmetic number, because the mean of its divisors is an integer number (68452209).

Almost surely, 2^1251000672 is an apocalyptic number.

1251000672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1251000672 is an abundant number, since it is smaller than the sum of its proper divisors (2034705360).

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

1251000672 is a wasteful number, since it uses less digits than its factorization.

1251000672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7271 (or 7263 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 1251000672 is about 35369.4878673695. The cubic root of 1251000672 is about 1077.5047193409.

The spelling of 1251000672 in words is "one billion, two hundred fifty-one million, six hundred seventy-two", and thus it is an aban number.