1226925 has 72 divisors (see below), whose sum is σ = 2708160. Its totient is φ = 518400.

The previous prime is 1226899. The next prime is 1226959. The reversal of 1226925 is 5296221.

It is not a de Polignac number, because 1226925 - 2⁶ = 1226861 is a prime.

It is a congruent number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 29905 + ... + 29945.

2^1226925 is an apocalyptic number.

1226925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1226925 is an abundant number, since it is smaller than the sum of its proper divisors (1481235).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1226925 is a wasteful number, since it uses less digits than its factorization.

1226925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 75 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1226925 is about 1107.6664660447. Note that the first 3 decimals coincide. The cubic root of 1226925 is about 107.0547656874.

The spelling of 1226925 in words is "one million, two hundred twenty-six thousand, nine hundred twenty-five".