1122472 has 32 divisors (see below), whose sum is σ = 2328480. Its totient is φ = 504000.

The previous prime is 1122467. The next prime is 1122481. The reversal of 1122472 is 2742211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4347 + ... + 4597.

It is an arithmetic number, because the mean of its divisors is an integer number (72765).

2^1122472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1164240).

1122472 is an abundant number, since it is smaller than the sum of its proper divisors (1206008).

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

1122472 is a wasteful number, since it uses less digits than its factorization.

1122472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 309 counting only the distinct ones).

The product of its digits is 224, while the sum is 19.

The square root of 1122472 is about 1059.4677909215. The cubic root of 1122472 is about 103.9262297362.

Adding to 1122472 its reverse (2742211), we get a palindrome (3864683).

The spelling of 1122472 in words is "one million, one hundred twenty-two thousand, four hundred seventy-two".