1129618025 has 12 divisors (see below), whose sum is σ = 1401262992. Its totient is φ = 903348240.

The previous prime is 1129618013. The next prime is 1129618027. The reversal of 1129618025 is 5208169211.

It is not a de Polignac number, because 1129618025 - 2³⁰ = 55876201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1129618027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73022 + ... + 87128.

It is an arithmetic number, because the mean of its divisors is an integer number (116771916).

Almost surely, 2^1129618025 is an apocalyptic number.

It is an amenable number.

1129618025 is a deficient number, since it is larger than the sum of its proper divisors (271644967).

1129618025 is a wasteful number, since it uses less digits than its factorization.

1129618025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17320 (or 17315 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 1129618025 is about 33609.7906122606. The cubic root of 1129618025 is about 1041.4630619303.

The spelling of 1129618025 in words is "one billion, one hundred twenty-nine million, six hundred eighteen thousand, twenty-five".