1421107492 has 24 divisors (see below), whose sum is σ = 2858103360. Its totient is φ = 605641440.

The previous prime is 1421107483. The next prime is 1421107511. The reversal of 1421107492 is 2947011241.

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, 136759 + ... + 146782.

It is an arithmetic number, because the mean of its divisors is an integer number (119087640).

Almost surely, 2^1421107492 is an apocalyptic number.

It is an amenable number.

1421107492 is an abundant number, since it is smaller than the sum of its proper divisors (1436995868).

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

1421107492 is a wasteful number, since it uses less digits than its factorization.

1421107492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283731 (or 283729 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 1421107492 is about 37697.5793917859. The cubic root of 1421107492 is about 1124.2829978094.

The spelling of 1421107492 in words is "one billion, four hundred twenty-one million, one hundred seven thousand, four hundred ninety-two".