401121041045 has 16 divisors (see below), whose sum is σ = 491942999808. Its totient is φ = 313841565120.

The previous prime is 401121041023. The next prime is 401121041093. The reversal of 401121041045 is 540140121104.

It is not a de Polignac number, because 401121041045 - 2³⁶ = 332401564309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401121041045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293459 + ... + 942528.

It is an arithmetic number, because the mean of its divisors is an integer number (30746437488).

Almost surely, 2^401121041045 is an apocalyptic number.

It is an amenable number.

401121041045 is a deficient number, since it is larger than the sum of its proper divisors (90821958763).

401121041045 is a wasteful number, since it uses less digits than its factorization.

401121041045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237420.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 401121041045 its reverse (540140121104), we get a palindrome (941261162149).

The spelling of 401121041045 in words is "four hundred one billion, one hundred twenty-one million, forty-one thousand, forty-five".