1232421045 has 16 divisors (see below), whose sum is σ = 1972593600. Its totient is φ = 657051264.

The previous prime is 1232421019. The next prime is 1232421061. The reversal of 1232421045 is 5401242321.

It is not a de Polignac number, because 1232421045 - 2⁵ = 1232421013 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32262 + ... + 59208.

It is an arithmetic number, because the mean of its divisors is an integer number (123287100).

Almost surely, 2^1232421045 is an apocalyptic number.

1232421045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1232421045 is a deficient number, since it is larger than the sum of its proper divisors (740172555).

1232421045 is a wasteful number, since it uses less digits than its factorization.

1232421045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30004.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1232421045 is about 35105.8548535711. The cubic root of 1232421045 is about 1072.1437920306.

Adding to 1232421045 its reverse (5401242321), we get a palindrome (6633663366).

The spelling of 1232421045 in words is "one billion, two hundred thirty-two million, four hundred twenty-one thousand, forty-five".