1421625012403 has 8 divisors (see below), whose sum is σ = 1426057763328. Its totient is φ = 1417195585344.

The previous prime is 1421625012307. The next prime is 1421625012407. The reversal of 1421625012403 is 3042105261241.

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

It is a cyclic number.

It is not a de Polignac number, because 1421625012403 - 2²⁹ = 1421088141491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421625012407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27150 + ... + 1686412.

It is an arithmetic number, because the mean of its divisors is an integer number (178257220416).

Almost surely, 2^{1421625012403} is an apocalyptic number.

1421625012403 is a deficient number, since it is larger than the sum of its proper divisors (4432750925).

1421625012403 is a wasteful number, since it uses less digits than its factorization.

1421625012403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661933.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 1421625012403 in words is "one trillion, four hundred twenty-one billion, six hundred twenty-five million, twelve thousand, four hundred three".