1129380075 has 36 divisors (see below), whose sum is σ = 2030820168. Its totient is φ = 599961600.

The previous prime is 1129380071. The next prime is 1129380097. The reversal of 1129380075 is 5700839211.

It is not a de Polignac number, because 1129380075 - 2² = 1129380071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1129380071) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 48060 + ... + 67590.

Almost surely, 2^1129380075 is an apocalyptic number.

1129380075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1129380075 is a deficient number, since it is larger than the sum of its proper divisors (901440093).

1129380075 is a wasteful number, since it uses less digits than its factorization.

1129380075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19804 (or 19796 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 1129380075 is about 33606.2505346848. The cubic root of 1129380075 is about 1041.3899299711.

The spelling of 1129380075 in words is "one billion, one hundred twenty-nine million, three hundred eighty thousand, seventy-five".