404001124131 has 32 divisors (see below), whose sum is σ = 593028218880. Its totient is φ = 242604633600.

The previous prime is 404001124129. The next prime is 404001124139. The reversal of 404001124131 is 131421100404.

It is not a de Polignac number, because 404001124131 - 2¹ = 404001124129 is a prime.

It is a super-2 number, since 2×404001124131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404001124098 and 404001124107.

It is not an unprimeable number, because it can be changed into a prime (404001124139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12920286 + ... + 12951516.

It is an arithmetic number, because the mean of its divisors is an integer number (18532131840).

Almost surely, 2^404001124131 is an apocalyptic number.

404001124131 is a deficient number, since it is larger than the sum of its proper divisors (189027094749).

404001124131 is a wasteful number, since it uses less digits than its factorization.

404001124131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34827.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 404001124131 its reverse (131421100404), we get a palindrome (535422224535).

The spelling of 404001124131 in words is "four hundred four billion, one million, one hundred twenty-four thousand, one hundred thirty-one".