1421202117958 has 8 divisors (see below), whose sum is σ = 2436346487952. Its totient is φ = 609086621976.

The previous prime is 1421202117761. The next prime is 1421202117967. The reversal of 1421202117958 is 8597112021241.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50757218485 + ... + 50757218512.

It is an arithmetic number, because the mean of its divisors is an integer number (304543310994).

Almost surely, 2^{1421202117958} is an apocalyptic number.

1421202117958 is a deficient number, since it is larger than the sum of its proper divisors (1015144369994).

1421202117958 is a wasteful number, since it uses less digits than its factorization.

1421202117958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101514437006.

The product of its (nonzero) digits is 80640, while the sum is 43.

The spelling of 1421202117958 in words is "one trillion, four hundred twenty-one billion, two hundred two million, one hundred seventeen thousand, nine hundred fifty-eight".