1111957 has 12 divisors (see below), whose sum is σ = 1411776. Its totient is φ = 866040.

The previous prime is 1111949. The next prime is 1111963. The reversal of 1111957 is 7591111.

It is not a de Polignac number, because 1111957 - 2³ = 1111949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111967) 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, 493 + ... + 1570.

It is an arithmetic number, because the mean of its divisors is an integer number (117648).

2^1111957 is an apocalyptic number.

It is an amenable number.

1111957 is a deficient number, since it is larger than the sum of its proper divisors (299819).

1111957 is a wasteful number, since it uses less digits than its factorization.

1111957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088 (or 2081 counting only the distinct ones).

The product of its digits is 315, while the sum is 25.

The square root of 1111957 is about 1054.4937173829. The cubic root of 1111957 is about 103.6006939325.

The spelling of 1111957 in words is "one million, one hundred eleven thousand, nine hundred fifty-seven".