1129051156 has 12 divisors (see below), whose sum is σ = 2013119892. Its totient is φ = 553874048.

The previous prime is 1129051151. The next prime is 1129051177. The reversal of 1129051156 is 6511509211.

It can be written as a sum of positive squares in 2 ways, for example, as 1001722500 + 127328656 = 31650^2 + 11284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129051151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2662645 + ... + 2663068.

It is an arithmetic number, because the mean of its divisors is an integer number (167759991).

Almost surely, 2^1129051156 is an apocalyptic number.

It is an amenable number.

1129051156 is a deficient number, since it is larger than the sum of its proper divisors (884068736).

1129051156 is a wasteful number, since it uses less digits than its factorization.

1129051156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5325770 (or 5325768 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 31.

The square root of 1129051156 is about 33601.3564607145. The cubic root of 1129051156 is about 1041.2888225287.

The spelling of 1129051156 in words is "one billion, one hundred twenty-nine million, fifty-one thousand, one hundred fifty-six".