1421315105 has 16 divisors (see below), whose sum is σ = 1954679040. Its totient is φ = 971892672.

The previous prime is 1421315069. The next prime is 1421315263. The reversal of 1421315105 is 5015131241.

It is a cyclic number.

It is not a de Polignac number, because 1421315105 - 2¹⁸ = 1421052961 is a prime.

It is a super-2 number, since 2×1421315105² = 4040273255402322050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43994 + ... + 69123.

It is an arithmetic number, because the mean of its divisors is an integer number (122167440).

Almost surely, 2^1421315105 is an apocalyptic number.

It is an amenable number.

1421315105 is a deficient number, since it is larger than the sum of its proper divisors (533363935).

1421315105 is a wasteful number, since it uses less digits than its factorization.

1421315105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113488.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1421315105 is about 37700.3329560894. The cubic root of 1421315105 is about 1124.3377448762.

Adding to 1421315105 its reverse (5015131241), we get a palindrome (6436446346).

The spelling of 1421315105 in words is "one billion, four hundred twenty-one million, three hundred fifteen thousand, one hundred five".