1129045016 has 32 divisors (see below), whose sum is σ = 2337249600. Its totient is φ = 507015840.

The previous prime is 1129045009. The next prime is 1129045019. The reversal of 1129045016 is 6105409211.

It is a self number, because there is not a number n which added to its sum of digits gives 1129045016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129045019) 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, 69986 + ... + 84593.

It is an arithmetic number, because the mean of its divisors is an integer number (73039050).

Almost surely, 2^1129045016 is an apocalyptic number.

It is an amenable number.

1129045016 is an abundant number, since it is smaller than the sum of its proper divisors (1208204584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1129045016 is a wasteful number, since it uses less digits than its factorization.

1129045016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154679 (or 154675 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 1129045016 is about 33601.2650952312. The cubic root of 1129045016 is about 1041.2869349481.

The spelling of 1129045016 in words is "one billion, one hundred twenty-nine million, forty-five thousand, sixteen".