121157714 has 4 divisors (see below), whose sum is σ = 181736574. Its totient is φ = 60578856.

The previous prime is 121157683. The next prime is 121157741. The reversal of 121157714 is 417751121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 417751121 = 20399 ⋅20479.

It can be written as a sum of positive squares in only one way, i.e., 100300225 + 20857489 = 10015^2 + 4567^2 .

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, 30289427 + ... + 30289430.

Almost surely, 2^121157714 is an apocalyptic number.

121157714 is a deficient number, since it is larger than the sum of its proper divisors (60578860).

121157714 is an equidigital number, since it uses as much as digits as its factorization.

121157714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60578859.

The product of its digits is 1960, while the sum is 29.

The square root of 121157714 is about 11007.1664837051. The cubic root of 121157714 is about 494.8235455815.

The spelling of 121157714 in words is "one hundred twenty-one million, one hundred fifty-seven thousand, seven hundred fourteen".