402125 has 8 divisors (see below), whose sum is σ = 502008. Its totient is φ = 321600.

The previous prime is 402107. The next prime is 402131. The reversal of 402125 is 521204.

It can be written as a sum of positive squares in 4 ways, for example, as 169 + 401956 = 13^2 + 634^2 .

It is not a de Polignac number, because 402125 - 2¹⁰ = 401101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 402125.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1484 + ... + 1733.

It is an arithmetic number, because the mean of its divisors is an integer number (62751).

2⁴⁰²¹²⁵ is an apocalyptic number.

It is an amenable number.

402125 is a deficient number, since it is larger than the sum of its proper divisors (99883).

402125 is an equidigital number, since it uses as much as digits as its factorization.

402125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232 (or 3222 counting only the distinct ones).

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

The square root of 402125 is about 634.1332667508. The cubic root of 402125 is about 73.8108757164.

Adding to 402125 its reverse (521204), we get a palindrome (923329).

The spelling of 402125 in words is "four hundred two thousand, one hundred twenty-five".