1225292 has 24 divisors (see below), whose sum is σ = 2336544. Its totient is φ = 559872.

The previous prime is 1225283. The next prime is 1225297. The reversal of 1225292 is 2925221.

It is not an unprimeable number, because it can be changed into a prime (1225297) 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, 2273 + ... + 2759.

It is an arithmetic number, because the mean of its divisors is an integer number (97356).

2^1225292 is an apocalyptic number.

It is an amenable number.

1225292 is a deficient number, since it is larger than the sum of its proper divisors (1111252).

1225292 is a wasteful number, since it uses less digits than its factorization.

1225292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545 (or 543 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 1225292 is about 1106.9290853528. The cubic root of 1225292 is about 107.0072490503.

The spelling of 1225292 in words is "one million, two hundred twenty-five thousand, two hundred ninety-two".