1129721236914 has 16 divisors (see below), whose sum is σ = 2307515718528. Its totient is φ = 368561538192.

The previous prime is 1129721236883. The next prime is 1129721236937. The reversal of 1129721236914 is 4196321279211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2003051557 + ... + 2003052120.

It is an arithmetic number, because the mean of its divisors is an integer number (144219732408).

Almost surely, 2^{1129721236914} is an apocalyptic number.

1129721236914 is an abundant number, since it is smaller than the sum of its proper divisors (1177794481614).

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

1129721236914 is a wasteful number, since it uses less digits than its factorization.

1129721236914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4006103729.

The product of its digits is 326592, while the sum is 48.

The spelling of 1129721236914 in words is "one trillion, one hundred twenty-nine billion, seven hundred twenty-one million, two hundred thirty-six thousand, nine hundred fourteen".