1250245490 has 16 divisors (see below), whose sum is σ = 2423553048. Its totient is φ = 461629056.

The previous prime is 1250245489. The next prime is 1250245541. The reversal of 1250245490 is 945420521.

It can be written as a sum of positive squares in 4 ways, for example, as 428448601 + 821796889 = 20699^2 + 28667^2 .

It is a super-2 number, since 2×1250245490² = 3126227570530680200, which contains 22 as substring.

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, 4808507 + ... + 4808766.

Almost surely, 2^1250245490 is an apocalyptic number.

1250245490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1250245490 is a deficient number, since it is larger than the sum of its proper divisors (1173307558).

1250245490 is a wasteful number, since it uses less digits than its factorization.

1250245490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9617293.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1250245490 is about 35358.8106417623. The cubic root of 1250245490 is about 1077.2878593563.

The spelling of 1250245490 in words is "one billion, two hundred fifty million, two hundred forty-five thousand, four hundred ninety".