1128465172 has 6 divisors (see below), whose sum is σ = 1974814058. Its totient is φ = 564232584.

The previous prime is 1128465133. The next prime is 1128465187. The reversal of 1128465172 is 2715648211.

It can be written as a sum of positive squares in only one way, i.e., 1029383056 + 99082116 = 32084^2 + 9954^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141058143 + ... + 141058150.

Almost surely, 2^1128465172 is an apocalyptic number.

It is an amenable number.

1128465172 is a deficient number, since it is larger than the sum of its proper divisors (846348886).

1128465172 is a wasteful number, since it uses less digits than its factorization.

1128465172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282116297 (or 282116295 counting only the distinct ones).

The product of its digits is 26880, while the sum is 37.

The square root of 1128465172 is about 33592.6356810537. The cubic root of 1128465172 is about 1041.1086464051.

The spelling of 1128465172 in words is "one billion, one hundred twenty-eight million, four hundred sixty-five thousand, one hundred seventy-two".