1421403124 has 24 divisors (see below), whose sum is σ = 2529658208. Its totient is φ = 698686560.

The previous prime is 1421403121. The next prime is 1421403169. The reversal of 1421403124 is 4213041241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1421403095 and 1421403104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421403121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135094 + ... + 145234.

Almost surely, 2^1421403124 is an apocalyptic number.

It is an amenable number.

1421403124 is a deficient number, since it is larger than the sum of its proper divisors (1108255084).

1421403124 is a wasteful number, since it uses less digits than its factorization.

1421403124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10735 (or 10733 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1421403124 is about 37701.5002884501. The cubic root of 1421403124 is about 1124.3609536732.

Adding to 1421403124 its reverse (4213041241), we get a palindrome (5634444365).

The spelling of 1421403124 in words is "one billion, four hundred twenty-one million, four hundred three thousand, one hundred twenty-four".