1122957 has 32 divisors (see below), whose sum is σ = 1920000. Its totient is φ = 641520.

The previous prime is 1122941. The next prime is 1122983. The reversal of 1122957 is 7592211.

It is not a de Polignac number, because 1122957 - 2⁴ = 1122941 is a prime.

It is a super-2 number, since 2×1122957² = 2522064847698, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

1122957 is a lucky number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1122957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122937) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5544 + ... + 5742.

It is an arithmetic number, because the mean of its divisors is an integer number (60000).

2^1122957 is an apocalyptic number.

It is an amenable number.

1122957 is a deficient number, since it is larger than the sum of its proper divisors (797043).

1122957 is a wasteful number, since it uses less digits than its factorization.

1122957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 232 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 1122957 is about 1059.6966547083. The cubic root of 1122957 is about 103.9411958003.

The spelling of 1122957 in words is "one million, one hundred twenty-two thousand, nine hundred fifty-seven".