401075126 has 4 divisors (see below), whose sum is σ = 601612692. Its totient is φ = 200537562.

The previous prime is 401075083. The next prime is 401075137. The reversal of 401075126 is 621570104.

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

It is a super-2 number, since 2×401075126² = 321722513391831752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401075095 and 401075104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100268780 + ... + 100268783.

It is an arithmetic number, because the mean of its divisors is an integer number (150403173).

Almost surely, 2^401075126 is an apocalyptic number.

401075126 is a deficient number, since it is larger than the sum of its proper divisors (200537566).

401075126 is a wasteful number, since it uses less digits than its factorization.

401075126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200537565.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 401075126 is about 20026.8601133578. The cubic root of 401075126 is about 737.4658421794.

The spelling of 401075126 in words is "four hundred one million, seventy-five thousand, one hundred twenty-six".