1147125990 has 32 divisors (see below), whose sum is σ = 2760207840. Its totient is φ = 305110784.

The previous prime is 1147125971. The next prime is 1147126031. The reversal of 1147125990 is 995217411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37479 + ... + 60818.

It is an arithmetic number, because the mean of its divisors is an integer number (86256495).

Almost surely, 2^1147125990 is an apocalyptic number.

1147125990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1147125990 is an abundant number, since it is smaller than the sum of its proper divisors (1613081850).

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

1147125990 is a wasteful number, since it uses less digits than its factorization.

1147125990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98696.

The product of its (nonzero) digits is 22680, while the sum is 39.

The square root of 1147125990 is about 33869.2484416174. The cubic root of 1147125990 is about 1046.8160511130.

The spelling of 1147125990 in words is "one billion, one hundred forty-seven million, one hundred twenty-five thousand, nine hundred ninety".