1042561250 has 40 divisors (see below), whose sum is σ = 2039197248. Its totient is φ = 398882000.

The previous prime is 1042561249. The next prime is 1042561277. The reversal of 1042561250 is 521652401.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10619 + ... + 46881.

Almost surely, 2^1042561250 is an apocalyptic number.

1042561250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1042561250 is a deficient number, since it is larger than the sum of its proper divisors (996635998).

1042561250 is an equidigital number, since it uses as much as digits as its factorization.

1042561250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36308 (or 36293 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1042561250 is about 32288.7170695895. The cubic root of 1042561250 is about 1013.9904381791.

The spelling of 1042561250 in words is "one billion, forty-two million, five hundred sixty-one thousand, two hundred fifty".