121812814 has 8 divisors (see below), whose sum is σ = 186607008. Its totient is φ = 59610480.

The previous prime is 121812809. The next prime is 121812827. The reversal of 121812814 is 418218121.

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, 647847 + ... + 648034.

It is an arithmetic number, because the mean of its divisors is an integer number (23325876).

Almost surely, 2^121812814 is an apocalyptic number.

121812814 is a deficient number, since it is larger than the sum of its proper divisors (64794194).

121812814 is a wasteful number, since it uses less digits than its factorization.

121812814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295930.

The product of its digits is 1024, while the sum is 28.

The square root of 121812814 is about 11036.8842523604. The cubic root of 121812814 is about 495.7137803015.

The spelling of 121812814 in words is "one hundred twenty-one million, eight hundred twelve thousand, eight hundred fourteen".