1147022990 has 8 divisors (see below), whose sum is σ = 2064641400. Its totient is φ = 458809192.

The previous prime is 1147022959. The next prime is 1147023001. The reversal of 1147022990 is 992207411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1147022990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57351140 + ... + 57351159.

It is an arithmetic number, because the mean of its divisors is an integer number (258080175).

Almost surely, 2^1147022990 is an apocalyptic number.

1147022990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1147022990 is a deficient number, since it is larger than the sum of its proper divisors (917618410).

1147022990 is a wasteful number, since it uses less digits than its factorization.

1147022990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114702306.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 1147022990 is about 33867.7278541091. The cubic root of 1147022990 is about 1046.7847191055.

The spelling of 1147022990 in words is "one billion, one hundred forty-seven million, twenty-two thousand, nine hundred ninety".