1252777504 has 48 divisors (see below), whose sum is σ = 2718436896. Its totient is φ = 563558400.

The previous prime is 1252777453. The next prime is 1252777511. The reversal of 1252777504 is 4057772521.

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, 15799 + ... + 52489.

It is an arithmetic number, because the mean of its divisors is an integer number (56634102).

Almost surely, 2^1252777504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1252777504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1359218448).

1252777504 is an abundant number, since it is smaller than the sum of its proper divisors (1465659392).

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

1252777504 is a wasteful number, since it uses less digits than its factorization.

1252777504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36809 (or 36801 counting only the distinct ones).

The product of its (nonzero) digits is 137200, while the sum is 40.

The square root of 1252777504 is about 35394.5971018177. The cubic root of 1252777504 is about 1078.0146149243.

The spelling of 1252777504 in words is "one billion, two hundred fifty-two million, seven hundred seventy-seven thousand, five hundred four".