1113957 has 12 divisors (see below), whose sum is σ = 1733004. Its totient is φ = 685440.

The previous prime is 1113953. The next prime is 1113961. The reversal of 1113957 is 7593111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1113953) and next prime (1113961).

It can be written as a sum of positive squares in 2 ways, for example, as 314721 + 799236 = 561^2 + 894^2 .

It is not a de Polignac number, because 1113957 - 2² = 1113953 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1113957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4644 + ... + 4877.

It is an arithmetic number, because the mean of its divisors is an integer number (144417).

2^1113957 is an apocalyptic number.

It is an amenable number.

1113957 is a deficient number, since it is larger than the sum of its proper divisors (619047).

1113957 is a wasteful number, since it uses less digits than its factorization.

1113957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9540 (or 9537 counting only the distinct ones).

The product of its digits is 945, while the sum is 27.

The square root of 1113957 is about 1055.4416137333. The cubic root of 1113957 is about 103.6627698598.

The spelling of 1113957 in words is "one million, one hundred thirteen thousand, nine hundred fifty-seven".