1421105315 has 16 divisors (see below), whose sum is σ = 1954545600. Its totient is φ = 971671680.

The previous prime is 1421105311. The next prime is 1421105321. The reversal of 1421105315 is 5135011241.

It is not a de Polignac number, because 1421105315 - 2² = 1421105311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1421105311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45956 + ... + 70385.

It is an arithmetic number, because the mean of its divisors is an integer number (122159100).

Almost surely, 2^1421105315 is an apocalyptic number.

1421105315 is a deficient number, since it is larger than the sum of its proper divisors (533440285).

1421105315 is a wasteful number, since it uses less digits than its factorization.

1421105315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116702.

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

The square root of 1421105315 is about 37697.5505172418. The cubic root of 1421105315 is about 1124.2824237113.

Adding to 1421105315 its reverse (5135011241), we get a palindrome (6556116556).

The spelling of 1421105315 in words is "one billion, four hundred twenty-one million, one hundred five thousand, three hundred fifteen".