1421434105 has 32 divisors (see below), whose sum is σ = 2120203008. Its totient is φ = 890784000.

The previous prime is 1421434057. The next prime is 1421434151. The reversal of 1421434105 is 5014341241.

It is not a de Polignac number, because 1421434105 - 2¹⁵ = 1421401337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1421434105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30490 + ... + 61420.

It is an arithmetic number, because the mean of its divisors is an integer number (66256344).

Almost surely, 2^1421434105 is an apocalyptic number.

It is an amenable number.

1421434105 is a deficient number, since it is larger than the sum of its proper divisors (698768903).

1421434105 is a wasteful number, since it uses less digits than its factorization.

1421434105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31057.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1421434105 is about 37701.9111584546. The cubic root of 1421434105 is about 1124.3691224966.

Adding to 1421434105 its reverse (5014341241), we get a palindrome (6435775346).

The spelling of 1421434105 in words is "one billion, four hundred twenty-one million, four hundred thirty-four thousand, one hundred five".