420634124 has 6 divisors (see below), whose sum is σ = 736109724. Its totient is φ = 210317060.

The previous prime is 420634121. The next prime is 420634139. The reversal of 420634124 is 421436024.

It is a junction number, because it is equal to n+sod(n) for n = 420634093 and 420634102.

It is not an unprimeable number, because it can be changed into a prime (420634121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52579262 + ... + 52579269.

It is an arithmetic number, because the mean of its divisors is an integer number (122684954).

Almost surely, 2^420634124 is an apocalyptic number.

It is an amenable number.

420634124 is a deficient number, since it is larger than the sum of its proper divisors (315475600).

420634124 is a wasteful number, since it uses less digits than its factorization.

420634124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105158535 (or 105158533 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 420634124 is about 20509.3667381516. The cubic root of 420634124 is about 749.2639439390.

The spelling of 420634124 in words is "four hundred twenty million, six hundred thirty-four thousand, one hundred twenty-four".