1421424412 has 24 divisors (see below), whose sum is σ = 2557136736. Its totient is φ = 690850368.

The previous prime is 1421424373. The next prime is 1421424413. The reversal of 1421424412 is 2144241241.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421424413) 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, 177078 + ... + 184930.

It is an arithmetic number, because the mean of its divisors is an integer number (106547364).

Almost surely, 2^1421424412 is an apocalyptic number.

It is an amenable number.

1421424412 is a deficient number, since it is larger than the sum of its proper divisors (1135712324).

1421424412 is a wasteful number, since it uses less digits than its factorization.

1421424412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9117 (or 9115 counting only the distinct ones).

The product of its digits is 2048, while the sum is 25.

The square root of 1421424412 is about 37701.7826103753. The cubic root of 1421424412 is about 1124.3665667363.

Adding to 1421424412 its reverse (2144241241), we get a palindrome (3565665653).

The spelling of 1421424412 in words is "one billion, four hundred twenty-one million, four hundred twenty-four thousand, four hundred twelve".