1421392411 has 8 divisors (see below), whose sum is σ = 1445857280. Its totient is φ = 1397089512.

The previous prime is 1421392397. The next prime is 1421392499. The reversal of 1421392411 is 1142931241.

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

It is a cyclic number.

It is not a de Polignac number, because 1421392411 - 2¹³ = 1421384219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1421392411.

It is not an unprimeable number, because it can be changed into a prime (1421392711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22725 + ... + 57958.

It is an arithmetic number, because the mean of its divisors is an integer number (180732160).

Almost surely, 2^1421392411 is an apocalyptic number.

1421392411 is a deficient number, since it is larger than the sum of its proper divisors (24464869).

1421392411 is an equidigital number, since it uses as much as digits as its factorization.

1421392411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80985.

The product of its digits is 1728, while the sum is 28.

The square root of 1421392411 is about 37701.3582116082. The cubic root of 1421392411 is about 1124.3581289270.

The spelling of 1421392411 in words is "one billion, four hundred twenty-one million, three hundred ninety-two thousand, four hundred eleven".