1122072 has 32 divisors (see below), whose sum is σ = 3206400. Its totient is φ = 320544.

The previous prime is 1122071. The next prime is 1122089. The reversal of 1122072 is 2702211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3172 + ... + 3507.

It is an arithmetic number, because the mean of its divisors is an integer number (100200).

2^1122072 is an apocalyptic number.

1122072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1122072 is an abundant number, since it is smaller than the sum of its proper divisors (2084328).

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

1122072 is a wasteful number, since it uses less digits than its factorization.

1122072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6695 (or 6691 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 1122072 is about 1059.2790000751. The cubic root of 1122072 is about 103.9138833463.

Adding to 1122072 its reverse (2702211), we get a palindrome (3824283).

The spelling of 1122072 in words is "one million, one hundred twenty-two thousand, seventy-two".