1250645604 has 48 divisors (see below), whose sum is σ = 3156581568. Its totient is φ = 383107968.

The previous prime is 1250645593. The next prime is 1250645629. The reversal of 1250645604 is 4065460521.

It is a super-2 number, since 2×1250645604² = 3128228853609049632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17754 + ... + 53070.

It is an arithmetic number, because the mean of its divisors is an integer number (65762116).

Almost surely, 2^1250645604 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 1250645604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1578290784).

1250645604 is an abundant number, since it is smaller than the sum of its proper divisors (1905935964).

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

1250645604 is a wasteful number, since it uses less digits than its factorization.

1250645604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35564 (or 35562 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 1250645604 is about 35364.4681000577. The cubic root of 1250645604 is about 1077.4027679841.

The spelling of 1250645604 in words is "one billion, two hundred fifty million, six hundred forty-five thousand, six hundred four".