1113665272 has 8 divisors (see below), whose sum is σ = 2088122400. Its totient is φ = 556832632.

The previous prime is 1113665263. The next prime is 1113665281. The reversal of 1113665272 is 2725663111.

It is an interprime number because it is at equal distance from previous prime (1113665263) and next prime (1113665281).

It is a tau number, because it is divible by the number of its divisors (8).

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, 69604072 + ... + 69604087.

It is an arithmetic number, because the mean of its divisors is an integer number (261015300).

Almost surely, 2^1113665272 is an apocalyptic number.

It is an amenable number.

1113665272 is a deficient number, since it is larger than the sum of its proper divisors (974457128).

1113665272 is a wasteful number, since it uses less digits than its factorization.

1113665272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139208165 (or 139208161 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 1113665272 is about 33371.6237543216. The cubic root of 1113665272 is about 1036.5371984776.

The spelling of 1113665272 in words is "one billion, one hundred thirteen million, six hundred sixty-five thousand, two hundred seventy-two".