401124020 has 24 divisors (see below), whose sum is σ = 918939168. Its totient is φ = 145863200.

The previous prime is 401124013. The next prime is 401124037. The reversal of 401124020 is 20421104.

It is a junction number, because it is equal to n+sod(n) for n = 401123986 and 401124004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911426 + ... + 911865.

It is an arithmetic number, because the mean of its divisors is an integer number (38289132).

Almost surely, 2^401124020 is an apocalyptic number.

It is an amenable number.

401124020 is an abundant number, since it is smaller than the sum of its proper divisors (517815148).

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

401124020 is a wasteful number, since it uses less digits than its factorization.

401124020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823311 (or 1823309 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 401124020 is about 20028.0807867354. The cubic root of 401124020 is about 737.4958084603.

Adding to 401124020 its reverse (20421104), we get a palindrome (421545124).

It can be divided in two parts, 401 and 124020, that added together give a palindrome (124421).

The spelling of 401124020 in words is "four hundred one million, one hundred twenty-four thousand, twenty".