1129562025 has 24 divisors (see below), whose sum is σ = 1977400224. Its totient is φ = 566995200.

The previous prime is 1129562017. The next prime is 1129562053. The reversal of 1129562025 is 5202659211.

It is not a de Polignac number, because 1129562025 - 2³ = 1129562017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 441691 + ... + 444240.

It is an arithmetic number, because the mean of its divisors is an integer number (82391676).

Almost surely, 2^1129562025 is an apocalyptic number.

1129562025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1129562025 is a deficient number, since it is larger than the sum of its proper divisors (847838199).

1129562025 is a wasteful number, since it uses less digits than its factorization.

1129562025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885961 (or 885956 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 1129562025 is about 33608.9575113540. The cubic root of 1129562025 is about 1041.4458517189.

The spelling of 1129562025 in words is "one billion, one hundred twenty-nine million, five hundred sixty-two thousand, twenty-five".