420321124 has 24 divisors (see below), whose sum is σ = 779458680. Its totient is φ = 197638656.

The previous prime is 420321119. The next prime is 420321137. The reversal of 420321124 is 421123024.

It can be written as a sum of positive squares in 4 ways, for example, as 63489024 + 356832100 = 7968^2 + 18890^2 .

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, 155674 + ... + 158350.

It is an arithmetic number, because the mean of its divisors is an integer number (32477445).

Almost surely, 2^420321124 is an apocalyptic number.

It is an amenable number.

420321124 is a deficient number, since it is larger than the sum of its proper divisors (359137556).

420321124 is a wasteful number, since it uses less digits than its factorization.

420321124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5007 (or 5005 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 420321124 is about 20501.7346583161. The cubic root of 420321124 is about 749.0780517388.

Adding to 420321124 its reverse (421123024), we get a palindrome (841444148).

The spelling of 420321124 in words is "four hundred twenty million, three hundred twenty-one thousand, one hundred twenty-four".