1230625 has 20 divisors (see below), whose sum is σ = 1686960. Its totient is φ = 890000.

The previous prime is 1230599. The next prime is 1230629. The reversal of 1230625 is 5260321.

It is a happy number.

It is not a de Polignac number, because 1230625 - 2¹³ = 1222433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1230629) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6786 + ... + 6964.

It is an arithmetic number, because the mean of its divisors is an integer number (84348).

2^1230625 is an apocalyptic number.

It is an amenable number.

1230625 is a deficient number, since it is larger than the sum of its proper divisors (456335).

1230625 is an equidigital number, since it uses as much as digits as its factorization.

1230625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1230625 is about 1109.3353866167. The cubic root of 1230625 is about 107.1622716141.

Adding to 1230625 its reverse (5260321), we get a palindrome (6490946).

The spelling of 1230625 in words is "one million, two hundred thirty thousand, six hundred twenty-five".