1421400103 has 8 divisors (see below), whose sum is σ = 1473993248. Its totient is φ = 1369553184.

The previous prime is 1421400077. The next prime is 1421400133. The reversal of 1421400103 is 3010041241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1421400103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421400133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182676 + ... + 190297.

It is an arithmetic number, because the mean of its divisors is an integer number (184249156).

Almost surely, 2^1421400103 is an apocalyptic number.

1421400103 is a deficient number, since it is larger than the sum of its proper divisors (52593145).

1421400103 is a wasteful number, since it uses less digits than its factorization.

1421400103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373113.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1421400103 is about 37701.4602237102. The cubic root of 1421400103 is about 1124.3601571136.

Adding to 1421400103 its reverse (3010041241), we get a palindrome (4431441344).

The spelling of 1421400103 in words is "one billion, four hundred twenty-one million, four hundred thousand, one hundred three".