1122425 has 24 divisors (see below), whose sum is σ = 1562400. Its totient is φ = 794880.

The previous prime is 1122419. The next prime is 1122427. The reversal of 1122425 is 5242211.

It is not a de Polignac number, because 1122425 - 2²⁰ = 73849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (1122427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8006 + ... + 8144.

It is an arithmetic number, because the mean of its divisors is an integer number (65100).

2^1122425 is an apocalyptic number.

It is an amenable number.

1122425 is a deficient number, since it is larger than the sum of its proper divisors (439975).

1122425 is a wasteful number, since it uses less digits than its factorization.

1122425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 180 counting only the distinct ones).

The product of its digits is 160, while the sum is 17.

The square root of 1122425 is about 1059.4456097412. The cubic root of 1122425 is about 103.9247791875.

Adding to 1122425 its reverse (5242211), we get a palindrome (6364636).

The spelling of 1122425 in words is "one million, one hundred twenty-two thousand, four hundred twenty-five".