1421197637075 has 48 divisors (see below), whose sum is σ = 1792042444800. Its totient is φ = 1117972464000.

The previous prime is 1421197637063. The next prime is 1421197637087. The reversal of 1421197637075 is 5707367911241.

It is an interprime number because it is at equal distance from previous prime (1421197637063) and next prime (1421197637087).

It is not a de Polignac number, because 1421197637075 - 2⁶ = 1421197637011 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 150116492 + ... + 150125958.

It is an arithmetic number, because the mean of its divisors is an integer number (37334217600).

Almost surely, 2^{1421197637075} is an apocalyptic number.

1421197637075 is a deficient number, since it is larger than the sum of its proper divisors (370844807725).

1421197637075 is a wasteful number, since it uses less digits than its factorization.

1421197637075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10028 (or 10023 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 53.

The spelling of 1421197637075 in words is "one trillion, four hundred twenty-one billion, one hundred ninety-seven million, six hundred thirty-seven thousand, seventy-five".