420412321124 has 6 divisors (see below), whose sum is σ = 735721561974. Its totient is φ = 210206160560.

The previous prime is 420412321117. The next prime is 420412321127. The reversal of 420412321124 is 421123214024.

It can be written as a sum of positive squares in only one way, i.e., 240916052224 + 179496268900 = 490832^2 + 423670^2 .

It is a junction number, because it is equal to n+sod(n) for n = 420412321093 and 420412321102.

It is not an unprimeable number, because it can be changed into a prime (420412321127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52551540137 + ... + 52551540144.

It is an arithmetic number, because the mean of its divisors is an integer number (122620260329).

Almost surely, 2^420412321124 is an apocalyptic number.

It is an amenable number.

420412321124 is a deficient number, since it is larger than the sum of its proper divisors (315309240850).

420412321124 is a wasteful number, since it uses less digits than its factorization.

420412321124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105103080285 (or 105103080283 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 420412321124 its reverse (421123214024), we get a palindrome (841535535148).

The spelling of 420412321124 in words is "four hundred twenty billion, four hundred twelve million, three hundred twenty-one thousand, one hundred twenty-four".