406258126 has 4 divisors (see below), whose sum is σ = 609387192. Its totient is φ = 203129062.

The previous prime is 406258123. The next prime is 406258183. The reversal of 406258126 is 621852604.

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

It is a junction number, because it is equal to n+sod(n) for n = 406258091 and 406258100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406258123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101564530 + ... + 101564533.

It is an arithmetic number, because the mean of its divisors is an integer number (152346798).

Almost surely, 2^406258126 is an apocalyptic number.

406258126 is a deficient number, since it is larger than the sum of its proper divisors (203129066).

406258126 is a wasteful number, since it uses less digits than its factorization.

406258126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203129065.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 406258126 is about 20155.8459509890. The cubic root of 406258126 is about 740.6289551701.

The spelling of 406258126 in words is "four hundred six million, two hundred fifty-eight thousand, one hundred twenty-six".