1237244990 has 16 divisors (see below), whose sum is σ = 2227916448. Its totient is φ = 494703456.

The previous prime is 1237244971. The next prime is 1237245007. The reversal of 1237244990 is 994427321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3959 + ... + 49901.

It is an arithmetic number, because the mean of its divisors is an integer number (139244778).

Almost surely, 2^1237244990 is an apocalyptic number.

1237244990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1237244990 is a deficient number, since it is larger than the sum of its proper divisors (990671458).

1237244990 is a wasteful number, since it uses less digits than its factorization.

1237244990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48643.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 1237244990 is about 35174.4934576178. The cubic root of 1237244990 is about 1073.5408333274.

The spelling of 1237244990 in words is "one billion, two hundred thirty-seven million, two hundred forty-four thousand, nine hundred ninety".