1421402324 has 24 divisors (see below), whose sum is σ = 2563656480. Its totient is φ = 689167584.

The previous prime is 1421402299. The next prime is 1421402363. The reversal of 1421402324 is 4232041241.

It is a self number, because there is not a number n which added to its sum of digits gives 1421402324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5819 + ... + 53634.

It is an arithmetic number, because the mean of its divisors is an integer number (106819020).

Almost surely, 2^1421402324 is an apocalyptic number.

It is an amenable number.

1421402324 is a deficient number, since it is larger than the sum of its proper divisors (1142254156).

1421402324 is a wasteful number, since it uses less digits than its factorization.

1421402324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59639 (or 59637 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1421402324 is about 37701.4896787912. The cubic root of 1421402324 is about 1124.3607427340.

Adding to 1421402324 its reverse (4232041241), we get a palindrome (5653443565).

The spelling of 1421402324 in words is "one billion, four hundred twenty-one million, four hundred two thousand, three hundred twenty-four".