1421163524 has 12 divisors (see below), whose sum is σ = 2713130448. Its totient is φ = 645983400.

The previous prime is 1421163521. The next prime is 1421163533. The reversal of 1421163524 is 4253611241.

It is not an unprimeable number, because it can be changed into a prime (1421163521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16149542 + ... + 16149629.

It is an arithmetic number, because the mean of its divisors is an integer number (226094204).

Almost surely, 2^1421163524 is an apocalyptic number.

It is an amenable number.

1421163524 is a deficient number, since it is larger than the sum of its proper divisors (1291966924).

1421163524 is a wasteful number, since it uses less digits than its factorization.

1421163524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32299186 (or 32299184 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 1421163524 is about 37698.3225621512. The cubic root of 1421163524 is about 1124.2977738432.

Adding to 1421163524 its reverse (4253611241), we get a palindrome (5674774765).

The spelling of 1421163524 in words is "one billion, four hundred twenty-one million, one hundred sixty-three thousand, five hundred twenty-four".