421454122130 has 16 divisors (see below), whose sum is σ = 759846956760. Its totient is φ = 168308418432.

The previous prime is 421454122123. The next prime is 421454122151. The reversal of 421454122130 is 31221454124.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 181400179921 + 240053942209 = 425911^2 + 489953^2 .

It is a junction number, because it is equal to n+sod(n) for n = 421454122093 and 421454122102.

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, 34147325 + ... + 34159664.

Almost surely, 2^421454122130 is an apocalyptic number.

421454122130 is a deficient number, since it is larger than the sum of its proper divisors (338392834630).

421454122130 is a wasteful number, since it uses less digits than its factorization.

421454122130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68307613.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 421454122130 its reverse (31221454124), we get a palindrome (452675576254).

The spelling of 421454122130 in words is "four hundred twenty-one billion, four hundred fifty-four million, one hundred twenty-two thousand, one hundred thirty".