126402 has 8 divisors (see below), whose sum is σ = 252816. Its totient is φ = 42132.

The previous prime is 126397. The next prime is 126421. The reversal of 126402 is 204621.

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

126402 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10528 + ... + 10539.

It is an arithmetic number, because the mean of its divisors is an integer number (31602).

2¹²⁶⁴⁰² is an apocalyptic number.

126402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

126402 is a wasteful number, since it uses less digits than its factorization.

126402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21072.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 126402 is about 355.5305894012. The cubic root of 126402 is about 50.1862387744.

It can be divided in two parts, 126 and 402, that added together give a triangular number (528 = T₃₂).

The spelling of 126402 in words is "one hundred twenty-six thousand, four hundred two".