1421402032 has 20 divisors (see below), whose sum is σ = 2754765400. Its totient is φ = 710494848.

The previous prime is 1421402029. The next prime is 1421402051. The reversal of 1421402032 is 2302041241.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 54748 + ... + 76420.

It is an arithmetic number, because the mean of its divisors is an integer number (137738270).

Almost surely, 2^1421402032 is an apocalyptic number.

It is an amenable number.

1421402032 is a deficient number, since it is larger than the sum of its proper divisors (1333363368).

1421402032 is a wasteful number, since it uses less digits than its factorization.

1421402032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25780 (or 25774 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1421402032 is about 37701.4858062650. The cubic root of 1421402032 is about 1124.3606657411.

Adding to 1421402032 its reverse (2302041241), we get a palindrome (3723443273).

The spelling of 1421402032 in words is "one billion, four hundred twenty-one million, four hundred two thousand, thirty-two".