1129148012 has 12 divisors (see below), whose sum is σ = 1984871616. Its totient is φ = 562041840.

The previous prime is 1129147927. The next prime is 1129148021. The reversal of 1129148012 is 2108419211.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632039 + ... + 633822.

It is an arithmetic number, because the mean of its divisors is an integer number (165405968).

Almost surely, 2^1129148012 is an apocalyptic number.

It is an amenable number.

1129148012 is a deficient number, since it is larger than the sum of its proper divisors (855723604).

1129148012 is a wasteful number, since it uses less digits than its factorization.

1129148012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266088 (or 1266086 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 1129148012 is about 33602.7976811455. The cubic root of 1129148012 is about 1041.3185974377.

The spelling of 1129148012 in words is "one billion, one hundred twenty-nine million, one hundred forty-eight thousand, twelve".