421712126 has 8 divisors (see below), whose sum is σ = 690074424. Its totient is φ = 191687320.

The previous prime is 421712069. The next prime is 421712143. The reversal of 421712126 is 621217124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×421712126² = 355682234430879752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421712095 and 421712104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9584345 + ... + 9584388.

It is an arithmetic number, because the mean of its divisors is an integer number (86259303).

Almost surely, 2^421712126 is an apocalyptic number.

421712126 is a deficient number, since it is larger than the sum of its proper divisors (268362298).

421712126 is a wasteful number, since it uses less digits than its factorization.

421712126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19168746.

The product of its digits is 1344, while the sum is 26.

The square root of 421712126 is about 20535.6306452955. The cubic root of 421712126 is about 749.9034696505.

The spelling of 421712126 in words is "four hundred twenty-one million, seven hundred twelve thousand, one hundred twenty-six".