1129954456 has 16 divisors (see below), whose sum is σ = 2119032000. Its totient is φ = 564879264.

The previous prime is 1129954451. The next prime is 1129954457. The reversal of 1129954456 is 6544599211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129954451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66745 + ... + 81943.

It is an arithmetic number, because the mean of its divisors is an integer number (132439500).

Almost surely, 2^1129954456 is an apocalyptic number.

It is an amenable number.

1129954456 is a deficient number, since it is larger than the sum of its proper divisors (989077544).

1129954456 is a wasteful number, since it uses less digits than its factorization.

1129954456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24498 (or 24494 counting only the distinct ones).

The product of its digits is 388800, while the sum is 46.

The square root of 1129954456 is about 33614.7951949733. The cubic root of 1129954456 is about 1041.5664436851.

The spelling of 1129954456 in words is "one billion, one hundred twenty-nine million, nine hundred fifty-four thousand, four hundred fifty-six".