1225652 has 12 divisors (see below), whose sum is σ = 2257920. Its totient is φ = 580536.

The previous prime is 1225643. The next prime is 1225657. The reversal of 1225652 is 2565221.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7988 + ... + 8139.

It is an arithmetic number, because the mean of its divisors is an integer number (188160).

2^1225652 is an apocalyptic number.

It is an amenable number.

1225652 is a deficient number, since it is larger than the sum of its proper divisors (1032268).

1225652 is a wasteful number, since it uses less digits than its factorization.

1225652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16150 (or 16148 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 1225652 is about 1107.0916854534. The cubic root of 1225652 is about 107.0177278689.

The spelling of 1225652 in words is "one million, two hundred twenty-five thousand, six hundred fifty-two".