1237825 has 12 divisors (see below), whose sum is σ = 1559920. Its totient is φ = 974160.

The previous prime is 1237823. The next prime is 1237829. The reversal of 1237825 is 5287321.

It is not a de Polignac number, because 1237825 - 2¹ = 1237823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1237793 and 1237802.

It is not an unprimeable number, because it can be changed into a prime (1237823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1306 + ... + 2044.

2^1237825 is an apocalyptic number.

It is an amenable number.

1237825 is a deficient number, since it is larger than the sum of its proper divisors (322095).

1237825 is an equidigital number, since it uses as much as digits as its factorization.

1237825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816 (or 811 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 1237825 is about 1112.5758401116. The cubic root of 1237825 is about 107.3708562745.

It can be divided in two parts, 12378 and 25, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 1237825 in words is "one million, two hundred thirty-seven thousand, eight hundred twenty-five".