1421450402 has 16 divisors (see below), whose sum is σ = 2188620000. Its totient is φ = 691980960.

The previous prime is 1421450357. The next prime is 1421450413. The reversal of 1421450402 is 2040541241.

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, 23549 + ... + 58287.

It is an arithmetic number, because the mean of its divisors is an integer number (136788750).

Almost surely, 2^1421450402 is an apocalyptic number.

1421450402 is a deficient number, since it is larger than the sum of its proper divisors (767169598).

1421450402 is a wasteful number, since it uses less digits than its factorization.

1421450402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35281.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1421450402 is about 37702.1272874622. The cubic root of 1421450402 is about 1124.3734195122.

Adding to 1421450402 its reverse (2040541241), we get a palindrome (3461991643).

The spelling of 1421450402 in words is "one billion, four hundred twenty-one million, four hundred fifty thousand, four hundred two".