125402 has 4 divisors (see below), whose sum is σ = 188106. Its totient is φ = 62700.

The previous prime is 125399. The next prime is 125407. The reversal of 125402 is 204521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 108241 + 17161 = 329^2 + 131^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 125402.

It is not an unprimeable number, because it can be changed into a prime (125407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31349 + ... + 31352.

2¹²⁵⁴⁰² is an apocalyptic number.

125402 is a deficient number, since it is larger than the sum of its proper divisors (62704).

125402 is an equidigital number, since it uses as much as digits as its factorization.

125402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62703.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 125402 is about 354.1214480937. The cubic root of 125402 is about 50.0535426432.

Adding to 125402 its reverse (204521), we get a palindrome (329923).

The spelling of 125402 in words is "one hundred twenty-five thousand, four hundred two".