1421393120 has 96 divisors (see below), whose sum is σ = 4063566528. Its totient is φ = 458661888.

The previous prime is 1421393111. The next prime is 1421393143. The reversal of 1421393120 is 213931241.

It is a self number, because there is not a number n which added to its sum of digits gives 1421393120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18287 + ... + 56366.

It is an arithmetic number, because the mean of its divisors is an integer number (42328818).

Almost surely, 2^1421393120 is an apocalyptic number.

1421393120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421393120 is an abundant number, since it is smaller than the sum of its proper divisors (2642173408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421393120 is a wasteful number, since it uses less digits than its factorization.

1421393120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74692 (or 74684 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1421393120 is about 37701.3676144513. The cubic root of 1421393120 is about 1124.3583158727.

The spelling of 1421393120 in words is "one billion, four hundred twenty-one million, three hundred ninety-three thousand, one hundred twenty".