1250645630 has 96 divisors (see below), whose sum is σ = 2612642688. Its totient is φ = 429312000.

The previous prime is 1250645629. The next prime is 1250645663. The reversal of 1250645630 is 365460521.

It is a super-2 number, since 2×1250645630² = 3128228983676193800, which contains 22 as substring.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 2901515 + ... + 2901945.

It is an arithmetic number, because the mean of its divisors is an integer number (27215028).

Almost surely, 2^1250645630 is an apocalyptic number.

1250645630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1250645630 is an abundant number, since it is smaller than the sum of its proper divisors (1361997058).

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

1250645630 is a wasteful number, since it uses less digits than its factorization.

1250645630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582 (or 569 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1250645630 is about 35364.4684676583. The cubic root of 1250645630 is about 1077.4027754503.

The spelling of 1250645630 in words is "one billion, two hundred fifty million, six hundred forty-five thousand, six hundred thirty".