401121424 has 40 divisors (see below), whose sum is σ = 849008160. Its totient is φ = 182073600.

The previous prime is 401121419. The next prime is 401121451. The reversal of 401121424 is 424121104.

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, 190972 + ... + 193060.

It is an arithmetic number, because the mean of its divisors is an integer number (21225204).

Almost surely, 2^401121424 is an apocalyptic number.

401121424 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

401121424 is an abundant number, since it is smaller than the sum of its proper divisors (447886736).

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

401121424 is a wasteful number, since it uses less digits than its factorization.

401121424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199 (or 3193 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 401121424 is about 20028.0159776249. The cubic root of 401121424 is about 737.4942174784.

Adding to 401121424 its reverse (424121104), we get a palindrome (825242528).

The spelling of 401121424 in words is "four hundred one million, one hundred twenty-one thousand, four hundred twenty-four".