1236925 has 6 divisors (see below), whose sum is σ = 1533818. Its totient is φ = 989520.

The previous prime is 1236901. The next prime is 1236953. The reversal of 1236925 is 5296321.

It can be written as a sum of positive squares in 3 ways, for example, as 13689 + 1223236 = 117^2 + 1106^2 .

It is not a de Polignac number, because 1236925 - 2⁷ = 1236797 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1236893 and 1236902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24714 + ... + 24763.

2^1236925 is an apocalyptic number.

It is an amenable number.

1236925 is a deficient number, since it is larger than the sum of its proper divisors (296893).

1236925 is an equidigital number, since it uses as much as digits as its factorization.

1236925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49487 (or 49482 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 1236925 is about 1112.1712997556. The cubic root of 1236925 is about 107.3448275008.

The spelling of 1236925 in words is "one million, two hundred thirty-six thousand, nine hundred twenty-five".