1222975 has 24 divisors (see below), whose sum is σ = 1687392. Its totient is φ = 873600.

The previous prime is 1222967. The next prime is 1222993. The reversal of 1222975 is 5792221.

It is not a de Polignac number, because 1222975 - 2³ = 1222967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17190 + ... + 17260.

It is an arithmetic number, because the mean of its divisors is an integer number (70308).

2^1222975 is an apocalyptic number.

1222975 is a deficient number, since it is larger than the sum of its proper divisors (464417).

1222975 is a wasteful number, since it uses less digits than its factorization.

1222975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 142 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 1222975 is about 1105.8820009386. The cubic root of 1222975 is about 106.9397570455.

It can be divided in two parts, 1222 and 975, that added together give a cube (2197 = 13³).

The spelling of 1222975 in words is "one million, two hundred twenty-two thousand, nine hundred seventy-five".