401123131 has 8 divisors (see below), whose sum is σ = 411516000. Its totient is φ = 390759360.

The previous prime is 401123119. The next prime is 401123159. The reversal of 401123131 is 131321104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401123131 - 2¹³ = 401114939 is a prime.

It is a super-2 number, since 2×401123131² = 321799532446486322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401120131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22170 + ... + 35968.

It is an arithmetic number, because the mean of its divisors is an integer number (51439500).

Almost surely, 2^401123131 is an apocalyptic number.

401123131 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

401123131 is a deficient number, since it is larger than the sum of its proper divisors (10392869).

401123131 is a wasteful number, since it uses less digits than its factorization.

401123131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14549.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 401123131 is about 20028.0585928841. The cubic root of 401123131 is about 737.4952636295.

Adding to 401123131 its reverse (131321104), we get a palindrome (532444235).

The spelling of 401123131 in words is "four hundred one million, one hundred twenty-three thousand, one hundred thirty-one".