1122972 has 12 divisors (see below), whose sum is σ = 2620296. Its totient is φ = 374320.

The previous prime is 1122941. The next prime is 1122983. The reversal of 1122972 is 2792211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1122972² = 2522132225568, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46779 + ... + 46802.

It is an arithmetic number, because the mean of its divisors is an integer number (218358).

2^1122972 is an apocalyptic number.

1122972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1122972 is an abundant number, since it is smaller than the sum of its proper divisors (1497324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122972 is a wasteful number, since it uses less digits than its factorization.

1122972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93588 (or 93586 counting only the distinct ones).

The product of its digits is 504, while the sum is 24.

The square root of 1122972 is about 1059.7037321818. The cubic root of 1122972 is about 103.9416585996.

The spelling of 1122972 in words is "one million, one hundred twenty-two thousand, nine hundred seventy-two".