1113827157 has 12 divisors (see below), whose sum is σ = 1664339820. Its totient is φ = 716946048.

The previous prime is 1113827149. The next prime is 1113827159. The reversal of 1113827157 is 7517283111.

It can be written as a sum of positive squares in 2 ways, for example, as 878173956 + 235653201 = 29634^2 + 15351^2 .

It is not a de Polignac number, because 1113827157 - 2³ = 1113827149 is a prime.

It is a super-2 number, since 2×1113827157² = 2481221871341405298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113827159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2133508 + ... + 2134029.

It is an arithmetic number, because the mean of its divisors is an integer number (138694985).

Almost surely, 2^1113827157 is an apocalyptic number.

It is an amenable number.

1113827157 is a deficient number, since it is larger than the sum of its proper divisors (550512663).

1113827157 is a wasteful number, since it uses less digits than its factorization.

1113827157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267572 (or 4267569 counting only the distinct ones).

The product of its digits is 11760, while the sum is 36.

The square root of 1113827157 is about 33374.0491549947. The cubic root of 1113827157 is about 1036.5874205382.

The spelling of 1113827157 in words is "one billion, one hundred thirteen million, eight hundred twenty-seven thousand, one hundred fifty-seven".