120402 has 12 divisors (see below), whose sum is σ = 260910. Its totient is φ = 40128.

The previous prime is 120401. The next prime is 120413. The reversal of 120402 is 204021.

It can be written as a sum of positive squares in only one way, i.e., 84681 + 35721 = 291^2 + 189^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (120401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3327 + ... + 3362.

2¹²⁰⁴⁰² is an apocalyptic number.

120402 is an abundant number, since it is smaller than the sum of its proper divisors (140508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120402 is a wasteful number, since it uses less digits than its factorization.

120402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6697 (or 6694 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 120402 is about 346.9899133981. The cubic root of 120402 is about 49.3792588326.

Adding to 120402 its reverse (204021), we get a palindrome (324423).

The spelling of 120402 in words is "one hundred twenty thousand, four hundred two", and thus it is an iban number.