402150126 has 16 divisors (see below), whose sum is σ = 919200384. Its totient is φ = 114900024.

The previous prime is 402150121. The next prime is 402150127. The reversal of 402150126 is 621051204.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402150121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4787460 + ... + 4787543.

It is an arithmetic number, because the mean of its divisors is an integer number (57450024).

Almost surely, 2^402150126 is an apocalyptic number.

402150126 is an abundant number, since it is smaller than the sum of its proper divisors (517050258).

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

402150126 is a wasteful number, since it uses less digits than its factorization.

402150126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9575015.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 402150126 is about 20053.6811084648. The cubic root of 402150126 is about 738.1241299419.

The spelling of 402150126 in words is "four hundred two million, one hundred fifty thousand, one hundred twenty-six".