1421332160 has 28 divisors (see below), whose sum is σ = 3384547968. Its totient is φ = 568532736.

The previous prime is 1421332153. The next prime is 1421332163. The reversal of 1421332160 is 612331241.

It is not an unprimeable number, because it can be changed into a prime (1421332163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2220512 + ... + 2221151.

Almost surely, 2^1421332160 is an apocalyptic number.

1421332160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421332160 is an abundant number, since it is smaller than the sum of its proper divisors (1963215808).

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

1421332160 is an equidigital number, since it uses as much as digits as its factorization.

1421332160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441680 (or 4441670 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1421332160 is about 37700.5591470471. The cubic root of 1421332160 is about 1124.3422420032.

The spelling of 1421332160 in words is "one billion, four hundred twenty-one million, three hundred thirty-two thousand, one hundred sixty".