121714257 has 8 divisors (see below), whose sum is σ = 185469376. Its totient is φ = 69550992.

The previous prime is 121714253. The next prime is 121714267. The reversal of 121714257 is 752417121.

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

It is not a de Polignac number, because 121714257 - 2² = 121714253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121714253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2897938 + ... + 2897979.

It is an arithmetic number, because the mean of its divisors is an integer number (23183672).

Almost surely, 2^121714257 is an apocalyptic number.

It is an amenable number.

121714257 is a deficient number, since it is larger than the sum of its proper divisors (63755119).

121714257 is an equidigital number, since it uses as much as digits as its factorization.

121714257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5795927.

The product of its digits is 3920, while the sum is 30.

The square root of 121714257 is about 11032.4184565307. The cubic root of 121714257 is about 495.5800525936.

The spelling of 121714257 in words is "one hundred twenty-one million, seven hundred fourteen thousand, two hundred fifty-seven".