121714378 has 4 divisors (see below), whose sum is σ = 182571570. Its totient is φ = 60857188.

The previous prime is 121714343. The next prime is 121714391. The reversal of 121714378 is 873417121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 102151449 + 19562929 = 10107^2 + 4423^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30428593 + ... + 30428596.

Almost surely, 2^121714378 is an apocalyptic number.

121714378 is a deficient number, since it is larger than the sum of its proper divisors (60857192).

121714378 is an equidigital number, since it uses as much as digits as its factorization.

121714378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60857191.

The product of its digits is 9408, while the sum is 34.

The square root of 121714378 is about 11032.4239403678. The cubic root of 121714378 is about 495.5802168175.

The spelling of 121714378 in words is "one hundred twenty-one million, seven hundred fourteen thousand, three hundred seventy-eight".