1122988 has 12 divisors (see below), whose sum is σ = 2011240. Its totient is φ = 548352.

The previous prime is 1122983. The next prime is 1122997. The reversal of 1122988 is 8892211.

It is a happy number.

It is a super-2 number, since 2×1122988² = 2522204096288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1122983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3093 + ... + 3436.

2^1122988 is an apocalyptic number.

It is an amenable number.

1122988 is a deficient number, since it is larger than the sum of its proper divisors (888252).

1122988 is a wasteful number, since it uses less digits than its factorization.

1122988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6576 (or 6574 counting only the distinct ones).

The product of its digits is 2304, while the sum is 31.

The square root of 1122988 is about 1059.7112814347. The cubic root of 1122988 is about 103.9421522475.

The spelling of 1122988 in words is "one million, one hundred twenty-two thousand, nine hundred eighty-eight".