1253777604 has 24 divisors (see below), whose sum is σ = 2931501888. Its totient is φ = 417065760.

The previous prime is 1253777573. The next prime is 1253777611. The reversal of 1253777604 is 4067773521.

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 7 ways as a sum of consecutive naturals, for example, 101427 + ... + 113114.

It is an arithmetic number, because the mean of its divisors is an integer number (122145912).

Almost surely, 2^1253777604 is an apocalyptic number.

It is an amenable number.

1253777604 is an abundant number, since it is smaller than the sum of its proper divisors (1677724284).

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

1253777604 is a wasteful number, since it uses less digits than its factorization.

1253777604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215035 (or 215033 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 42.

The square root of 1253777604 is about 35408.7221458216. The cubic root of 1253777604 is about 1078.3014005266.

The spelling of 1253777604 in words is "one billion, two hundred fifty-three million, seven hundred seventy-seven thousand, six hundred four".