1421255324 has 24 divisors (see below), whose sum is σ = 2550459408. Its totient is φ = 692588160.

The previous prime is 1421255321. The next prime is 1421255371. The reversal of 1421255324 is 4235521241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421255321) 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, 180314 + ... + 188030.

It is an arithmetic number, because the mean of its divisors is an integer number (106269142).

Almost surely, 2^1421255324 is an apocalyptic number.

It is an amenable number.

1421255324 is a deficient number, since it is larger than the sum of its proper divisors (1129204084).

1421255324 is a wasteful number, since it uses less digits than its factorization.

1421255324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8885 (or 8883 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 1421255324 is about 37699.5401032957. The cubic root of 1421255324 is about 1124.3219813116.

Adding to 1421255324 its reverse (4235521241), we get a palindrome (5656776565).

The spelling of 1421255324 in words is "one billion, four hundred twenty-one million, two hundred fifty-five thousand, three hundred twenty-four".