401311124 has 12 divisors (see below), whose sum is σ = 715545684. Its totient is φ = 196869504.

The previous prime is 401311121. The next prime is 401311133. The reversal of 401311124 is 421113104.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 295221124 + 106090000 = 17182^2 + 10300^2 .

It is a super-2 number, since 2×401311124² = 322101236492286752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401311121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 946277 + ... + 946700.

It is an arithmetic number, because the mean of its divisors is an integer number (59628807).

Almost surely, 2^401311124 is an apocalyptic number.

It is an amenable number.

401311124 is a deficient number, since it is larger than the sum of its proper divisors (314234560).

401311124 is a wasteful number, since it uses less digits than its factorization.

401311124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893034 (or 1893032 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 401311124 is about 20032.7512838352. The cubic root of 401311124 is about 737.6104587593.

Adding to 401311124 its reverse (421113104), we get a palindrome (822424228).

The spelling of 401311124 in words is "four hundred one million, three hundred eleven thousand, one hundred twenty-four".