421124024 has 8 divisors (see below), whose sum is σ = 789607560. Its totient is φ = 210562008.

The previous prime is 421123981. The next prime is 421124063. The reversal of 421124024 is 420421124.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 421123987 and 421124005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26320244 + ... + 26320259.

It is an arithmetic number, because the mean of its divisors is an integer number (98700945).

Almost surely, 2^421124024 is an apocalyptic number.

It is an amenable number.

421124024 is a deficient number, since it is larger than the sum of its proper divisors (368483536).

421124024 is a wasteful number, since it uses less digits than its factorization.

421124024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52640509 (or 52640505 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 421124024 is about 20521.3065860827. The cubic root of 421124024 is about 749.5547128633.

Adding to 421124024 its reverse (420421124), we get a palindrome (841545148).

The spelling of 421124024 in words is "four hundred twenty-one million, one hundred twenty-four thousand, twenty-four".