401342120124 has 96 divisors (see below), whose sum is σ = 1061632051200. Its totient is φ = 116905555200.

The previous prime is 401342120041. The next prime is 401342120129. The reversal of 401342120124 is 421021243104.

It is a super-2 number, since 2×401342120124² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401342120094 and 401342120103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401342120129) 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, 280582 + ... + 938834.

It is an arithmetic number, because the mean of its divisors is an integer number (11058667200).

Almost surely, 2^401342120124 is an apocalyptic number.

401342120124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401342120124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530816025600).

401342120124 is an abundant number, since it is smaller than the sum of its proper divisors (660289931076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401342120124 is a wasteful number, since it uses less digits than its factorization.

401342120124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658451 (or 658449 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 401342120124 its reverse (421021243104), we get a palindrome (822363363228).

The spelling of 401342120124 in words is "four hundred one billion, three hundred forty-two million, one hundred twenty thousand, one hundred twenty-four".