1230125 has 16 divisors (see below), whose sum is σ = 1655472. Its totient is φ = 907200.

The previous prime is 1230107. The next prime is 1230127. The reversal of 1230125 is 5210321.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 561001 + 669124 = 749^2 + 818^2 .

It is not a de Polignac number, because 1230125 - 2⁸ = 1229869 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1247 + ... + 2003.

It is an arithmetic number, because the mean of its divisors is an integer number (103467).

2^1230125 is an apocalyptic number.

It is an amenable number.

1230125 is a deficient number, since it is larger than the sum of its proper divisors (425347).

1230125 is an equidigital number, since it uses as much as digits as its factorization.

1230125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1230125 is about 1109.1100035614. The cubic root of 1230125 is about 107.1477563897.

Adding to 1230125 its reverse (5210321), we get a palindrome (6440446).

The spelling of 1230125 in words is "one million, two hundred thirty thousand, one hundred twenty-five".