1246725 has 24 divisors (see below), whose sum is σ = 2291520. Its totient is φ = 664560.

The previous prime is 1246711. The next prime is 1246733. The reversal of 1246725 is 5276421.

It is not a de Polignac number, because 1246725 - 2⁹ = 1246213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 249 + ... + 1598.

It is an arithmetic number, because the mean of its divisors is an integer number (95480).

2^1246725 is an apocalyptic number.

1246725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1246725 is a deficient number, since it is larger than the sum of its proper divisors (1044795).

1246725 is a wasteful number, since it uses less digits than its factorization.

1246725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866 (or 1855 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 1246725 is about 1116.5684036368. The cubic root of 1246725 is about 107.6275752398.

The spelling of 1246725 in words is "one million, two hundred forty-six thousand, seven hundred twenty-five".