1251146604 has 24 divisors (see below), whose sum is σ = 2919913920. Its totient is φ = 416967184.

The previous prime is 1251146587. The next prime is 1251146641. The reversal of 1251146604 is 4066411521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116827 + ... + 127085.

It is an arithmetic number, because the mean of its divisors is an integer number (121663080).

Almost surely, 2^1251146604 is an apocalyptic number.

It is an amenable number.

1251146604 is an abundant number, since it is smaller than the sum of its proper divisors (1668767316).

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

1251146604 is a wasteful number, since it uses less digits than its factorization.

1251146604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20429 (or 20427 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1251146604 is about 35371.5507717714. The cubic root of 1251146604 is about 1077.5466154828.

The spelling of 1251146604 in words is "one billion, two hundred fifty-one million, one hundred forty-six thousand, six hundred four".