1421102316 has 24 divisors (see below), whose sum is σ = 3316953024. Its totient is φ = 473551120.

The previous prime is 1421102269. The next prime is 1421102381. The reversal of 1421102316 is 6132011241.

It is a junction number, because it is equal to n+sod(n) for n = 1421102292 and 1421102301.

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, 24931 + ... + 58853.

It is an arithmetic number, because the mean of its divisors is an integer number (138206376).

Almost surely, 2^1421102316 is an apocalyptic number.

It is an amenable number.

1421102316 is an abundant number, since it is smaller than the sum of its proper divisors (1895850708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421102316 is a wasteful number, since it uses less digits than its factorization.

1421102316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37421 (or 37419 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1421102316 is about 37697.5107401006. The cubic root of 1421102316 is about 1124.2816328421.

Adding to 1421102316 its reverse (6132011241), we get a palindrome (7553113557).

The spelling of 1421102316 in words is "one billion, four hundred twenty-one million, one hundred two thousand, three hundred sixteen".