421267630126 has 24 divisors (see below), whose sum is σ = 738307256616. Its totient is φ = 179747915760.

The previous prime is 421267630117. The next prime is 421267630129. The reversal of 421267630126 is 621036762124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421267630129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9446145 + ... + 9490636.

It is an arithmetic number, because the mean of its divisors is an integer number (30762802359).

Almost surely, 2^421267630126 is an apocalyptic number.

421267630126 is a deficient number, since it is larger than the sum of its proper divisors (317039626490).

421267630126 is a wasteful number, since it uses less digits than its factorization.

421267630126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18937024 (or 18937017 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 421267630126 in words is "four hundred twenty-one billion, two hundred sixty-seven million, six hundred thirty thousand, one hundred twenty-six".