1129279325 has 24 divisors (see below), whose sum is σ = 1435324800. Its totient is φ = 881240880.

The previous prime is 1129279313. The next prime is 1129279337. The reversal of 1129279325 is 5239729211.

It is an interprime number because it is at equal distance from previous prime (1129279313) and next prime (1129279337).

It is not a de Polignac number, because 1129279325 - 2¹⁸ = 1129017181 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13605734 + ... + 13605816.

It is an arithmetic number, because the mean of its divisors is an integer number (59805200).

Almost surely, 2^1129279325 is an apocalyptic number.

It is an amenable number.

1129279325 is a deficient number, since it is larger than the sum of its proper divisors (306045475).

1129279325 is an frugal number, since it uses more digits than its factorization.

1129279325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 167 counting only the distinct ones).

The product of its digits is 68040, while the sum is 41.

The square root of 1129279325 is about 33604.7515241521. The cubic root of 1129279325 is about 1041.3589621986.

The spelling of 1129279325 in words is "one billion, one hundred twenty-nine million, two hundred seventy-nine thousand, three hundred twenty-five".