1421421132 has 12 divisors (see below), whose sum is σ = 3316649336. Its totient is φ = 473807040.

The previous prime is 1421421107. The next prime is 1421421163. The reversal of 1421421132 is 2311241241.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1421421132² = 4040876068992322848, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1421421099 and 1421421108.

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, 59225869 + ... + 59225892.

Almost surely, 2^1421421132 is an apocalyptic number.

1421421132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1421421132 is an abundant number, since it is smaller than the sum of its proper divisors (1895228204).

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

1421421132 is a wasteful number, since it uses less digits than its factorization.

1421421132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118451768 (or 118451766 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 1421421132 is about 37701.7391110808. The cubic root of 1421421132 is about 1124.3657018937.

Adding to 1421421132 its reverse (2311241241), we get a palindrome (3732662373).

The spelling of 1421421132 in words is "one billion, four hundred twenty-one million, four hundred twenty-one thousand, one hundred thirty-two".