1421032402 has 16 divisors (see below), whose sum is σ = 2142254592. Its totient is φ = 706955040.

The previous prime is 1421032399. The next prime is 1421032423. The reversal of 1421032402 is 2042301241.

It is a self number, because there is not a number n which added to its sum of digits gives 1421032402.

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 7 ways as a sum of consecutive naturals, for example, 596638 + ... + 599014.

It is an arithmetic number, because the mean of its divisors is an integer number (133890912).

Almost surely, 2^1421032402 is an apocalyptic number.

1421032402 is a deficient number, since it is larger than the sum of its proper divisors (721222190).

1421032402 is a wasteful number, since it uses less digits than its factorization.

1421032402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753.

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

The square root of 1421032402 is about 37696.5834260878. The cubic root of 1421032402 is about 1124.2631954375.

Adding to 1421032402 its reverse (2042301241), we get a palindrome (3463333643).

The spelling of 1421032402 in words is "one billion, four hundred twenty-one million, thirty-two thousand, four hundred two".