402130 has 8 divisors (see below), whose sum is σ = 723852. Its totient is φ = 160848.

The previous prime is 402107. The next prime is 402131. The reversal of 402130 is 31204.

It can be written as a sum of positive squares in 2 ways, for example, as 398161 + 3969 = 631^2 + 63^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 40213 = 402130 / (4 + 0 + 2 + 1 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (402131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20097 + ... + 20116.

2⁴⁰²¹³⁰ is an apocalyptic number.

402130 is a deficient number, since it is larger than the sum of its proper divisors (321722).

402130 is a wasteful number, since it uses less digits than its factorization.

402130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40220.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 402130 is about 634.1372091275. The cubic root of 402130 is about 73.8111816353.

Adding to 402130 its reverse (31204), we get a palindrome (433334).

The spelling of 402130 in words is "four hundred two thousand, one hundred thirty".