1129525199 has 8 divisors (see below), whose sum is σ = 1242394320. Its totient is φ = 1026839880.

The previous prime is 1129525183. The next prime is 1129525211. The reversal of 1129525199 is 9915259211.

It is not a de Polignac number, because 1129525199 - 2⁴ = 1129525183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129525499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422984 + ... + 425645.

It is an arithmetic number, because the mean of its divisors is an integer number (155299290).

Almost surely, 2^1129525199 is an apocalyptic number.

1129525199 is a deficient number, since it is larger than the sum of its proper divisors (112869121).

1129525199 is an frugal number, since it uses more digits than its factorization.

1129525199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848662 (or 848640 counting only the distinct ones).

The product of its digits is 72900, while the sum is 44.

The square root of 1129525199 is about 33608.4096469916. The cubic root of 1129525199 is about 1041.4345338509.

The spelling of 1129525199 in words is "one billion, one hundred twenty-nine million, five hundred twenty-five thousand, one hundred ninety-nine".