401001031126 has 4 divisors (see below), whose sum is σ = 601501546692. Its totient is φ = 200500515562.

The previous prime is 401001031117. The next prime is 401001031141. The reversal of 401001031126 is 621130100104.

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

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, 100250257780 + ... + 100250257783.

It is an arithmetic number, because the mean of its divisors is an integer number (150375386673).

Almost surely, 2^401001031126 is an apocalyptic number.

401001031126 is a deficient number, since it is larger than the sum of its proper divisors (200500515566).

401001031126 is a wasteful number, since it uses less digits than its factorization.

401001031126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200500515565.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 401001031126 in words is "four hundred one billion, one million, thirty-one thousand, one hundred twenty-six".