1421423241 has 16 divisors (see below), whose sum is σ = 2167152000. Its totient is φ = 811801728.

The previous prime is 1421423177. The next prime is 1421423273. The reversal of 1421423241 is 1423241241.

It is not a de Polignac number, because 1421423241 - 2⁶ = 1421423177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1421421241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23565 + ... + 58293.

It is an arithmetic number, because the mean of its divisors is an integer number (135447000).

Almost surely, 2^1421423241 is an apocalyptic number.

It is an amenable number.

1421423241 is a deficient number, since it is larger than the sum of its proper divisors (745728759).

1421423241 is a wasteful number, since it uses less digits than its factorization.

1421423241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36688.

The product of its digits is 1536, while the sum is 24.

The square root of 1421423241 is about 37701.7670806025. The cubic root of 1421423241 is about 1124.3662579771.

Adding to 1421423241 its reverse (1423241241), we get a palindrome (2844664482).

The spelling of 1421423241 in words is "one billion, four hundred twenty-one million, four hundred twenty-three thousand, two hundred forty-one".