1128695492 has 48 divisors (see below), whose sum is σ = 2081576448. Its totient is φ = 534850560.

The previous prime is 1128695453. The next prime is 1128695509. The reversal of 1128695492 is 2945968211.

It is a happy number.

It is a super-2 number, since 2×1128695492² = 2547907027322244128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1286558 + ... + 1287434.

It is an arithmetic number, because the mean of its divisors is an integer number (43366176).

Almost surely, 2^1128695492 is an apocalyptic number.

It is an amenable number.

1128695492 is a deficient number, since it is larger than the sum of its proper divisors (952880956).

1128695492 is a wasteful number, since it uses less digits than its factorization.

1128695492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116 (or 1114 counting only the distinct ones).

The product of its digits is 311040, while the sum is 47.

The square root of 1128695492 is about 33596.0636384681. The cubic root of 1128695492 is about 1041.1794717578.

The spelling of 1128695492 in words is "one billion, one hundred twenty-eight million, six hundred ninety-five thousand, four hundred ninety-two".