400124102 has 24 divisors (see below), whose sum is σ = 699161544. Its totient is φ = 171239712.

The previous prime is 400124089. The next prime is 400124117. The reversal of 400124102 is 201421004.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78578 + ... + 83514.

It is an arithmetic number, because the mean of its divisors is an integer number (29131731).

Almost surely, 2^400124102 is an apocalyptic number.

400124102 is a deficient number, since it is larger than the sum of its proper divisors (299037442).

400124102 is a wasteful number, since it uses less digits than its factorization.

400124102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5780 (or 5773 counting only the distinct ones).

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

The square root of 400124102 is about 20003.1023093919. The cubic root of 400124102 is about 736.8824911285.

Adding to 400124102 its reverse (201421004), we get a palindrome (601545106).

The spelling of 400124102 in words is "four hundred million, one hundred twenty-four thousand, one hundred two".