1147919254 has 16 divisors (see below), whose sum is σ = 1828691856. Its totient is φ = 538560000.

The previous prime is 1147919249. The next prime is 1147919261. The reversal of 1147919254 is 4529197411.

It is a super-2 number, since 2×1147919254² = 2635437227407833032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1147919254.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39747 + ... + 62254.

It is an arithmetic number, because the mean of its divisors is an integer number (114293241).

Almost surely, 2^1147919254 is an apocalyptic number.

1147919254 is a deficient number, since it is larger than the sum of its proper divisors (680772602).

1147919254 is a wasteful number, since it uses less digits than its factorization.

1147919254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102351.

The product of its digits is 90720, while the sum is 43.

The square root of 1147919254 is about 33880.9570998223. The cubic root of 1147919254 is about 1047.0572946366.

The spelling of 1147919254 in words is "one billion, one hundred forty-seven million, nine hundred nineteen thousand, two hundred fifty-four".