426002131 has 4 divisors (see below), whose sum is σ = 426290872. Its totient is φ = 425713392.

The previous prime is 426002123. The next prime is 426002179. The reversal of 426002131 is 131200624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 426002131 - 2³ = 426002123 is a prime.

It is a super-2 number, since 2×426002131² = 362955631233082322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 426002099 and 426002108.

It is not an unprimeable number, because it can be changed into a prime (426002111) 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, 142146 + ... + 145111.

It is an arithmetic number, because the mean of its divisors is an integer number (106572718).

Almost surely, 2^426002131 is an apocalyptic number.

426002131 is a deficient number, since it is larger than the sum of its proper divisors (288741).

426002131 is a wasteful number, since it uses less digits than its factorization.

426002131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288740.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 426002131 is about 20639.8190641294. The cubic root of 426002131 is about 752.4377750116.

Adding to 426002131 its reverse (131200624), we get a palindrome (557202755).

The spelling of 426002131 in words is "four hundred twenty-six million, two thousand, one hundred thirty-one".