1129904554 has 16 divisors (see below), whose sum is σ = 1809861120. Its totient is φ = 527874480.

The previous prime is 1129904551. The next prime is 1129904561. The reversal of 1129904554 is 4554099211.

It is a super-2 number, since 2×1129904554² = 2553368602299877832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1129904551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312414 + ... + 316009.

It is an arithmetic number, because the mean of its divisors is an integer number (113116320).

Almost surely, 2^1129904554 is an apocalyptic number.

1129904554 is a deficient number, since it is larger than the sum of its proper divisors (679956566).

1129904554 is a wasteful number, since it uses less digits than its factorization.

1129904554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628485.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 1129904554 is about 33614.0529243351. The cubic root of 1129904554 is about 1041.5511106146.

The spelling of 1129904554 in words is "one billion, one hundred twenty-nine million, nine hundred four thousand, five hundred fifty-four".