421690124 has 6 divisors (see below), whose sum is σ = 737957724. Its totient is φ = 210845060.

The previous prime is 421690081. The next prime is 421690127. The reversal of 421690124 is 421096124.

It is not an unprimeable number, because it can be changed into a prime (421690127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52711262 + ... + 52711269.

It is an arithmetic number, because the mean of its divisors is an integer number (122992954).

Almost surely, 2^421690124 is an apocalyptic number.

It is an amenable number.

421690124 is a deficient number, since it is larger than the sum of its proper divisors (316267600).

421690124 is a wasteful number, since it uses less digits than its factorization.

421690124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105422535 (or 105422533 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 421690124 is about 20535.0949352566. The cubic root of 421690124 is about 749.8904278446.

The spelling of 421690124 in words is "four hundred twenty-one million, six hundred ninety thousand, one hundred twenty-four".