1421230432 has 12 divisors (see below), whose sum is σ = 2798047476. Its totient is φ = 710615200.

The previous prime is 1421230319. The next prime is 1421230439. The reversal of 1421230432 is 2340321241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421230439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22206694 + ... + 22206757.

It is an arithmetic number, because the mean of its divisors is an integer number (233170623).

Almost surely, 2^1421230432 is an apocalyptic number.

It is an amenable number.

1421230432 is a deficient number, since it is larger than the sum of its proper divisors (1376817044).

1421230432 is an equidigital number, since it uses as much as digits as its factorization.

1421230432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44413461 (or 44413453 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1421230432 is about 37699.2099651969. The cubic root of 1421230432 is about 1124.3154174462.

Adding to 1421230432 its reverse (2340321241), we get a palindrome (3761551673).

It can be divided in two parts, 14212 and 30432, that added together give a palindrome (44644).

The spelling of 1421230432 in words is "one billion, four hundred twenty-one million, two hundred thirty thousand, four hundred thirty-two".