1226525 has 12 divisors (see below), whose sum is σ = 1544544. Its totient is φ = 966000.

The previous prime is 1226503. The next prime is 1226531. The reversal of 1226525 is 5256221.

It is not a de Polignac number, because 1226525 - 2⁶ = 1226461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1226525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1430 + ... + 2120.

It is an arithmetic number, because the mean of its divisors is an integer number (128712).

2^1226525 is an apocalyptic number.

It is an amenable number.

1226525 is a deficient number, since it is larger than the sum of its proper divisors (318019).

1226525 is an equidigital number, since it uses as much as digits as its factorization.

1226525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 767 counting only the distinct ones).

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

The square root of 1226525 is about 1107.4858915580. The cubic root of 1226525 is about 107.0431304854.

The spelling of 1226525 in words is "one million, two hundred twenty-six thousand, five hundred twenty-five".