1258113250 has 16 divisors (see below), whose sum is σ = 2355188472. Its totient is φ = 503245200.

The previous prime is 1258113217. The next prime is 1258113251. The reversal of 1258113250 is 523118521.

It can be written as a sum of positive squares in 4 ways, for example, as 628655329 + 629457921 = 25073^2 + 25089^2 .

It is not an unprimeable number, because it can be changed into a prime (1258113251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2515977 + ... + 2516476.

Almost surely, 2^1258113250 is an apocalyptic number.

1258113250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1258113250 is a deficient number, since it is larger than the sum of its proper divisors (1097075222).

1258113250 is an equidigital number, since it uses as much as digits as its factorization.

1258113250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5032470 (or 5032460 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 1258113250 is about 35469.8921622268. The cubic root of 1258113250 is about 1079.5429164315.

The spelling of 1258113250 in words is "one billion, two hundred fifty-eight million, one hundred thirteen thousand, two hundred fifty".