121713283 has 4 divisors (see below), whose sum is σ = 123776280. Its totient is φ = 119650288.

The previous prime is 121713233. The next prime is 121713287. The reversal of 121713283 is 382317121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 382317121 = 29 ⋅13183349.

It is a cyclic number.

It is not a de Polignac number, because 121713283 - 2⁹ = 121712771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121713287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031410 + ... + 1031527.

It is an arithmetic number, because the mean of its divisors is an integer number (30944070).

Almost surely, 2^121713283 is an apocalyptic number.

121713283 is a deficient number, since it is larger than the sum of its proper divisors (2062997).

121713283 is an equidigital number, since it uses as much as digits as its factorization.

121713283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062996.

The product of its digits is 2016, while the sum is 28.

The square root of 121713283 is about 11032.3743138093. The cubic root of 121713283 is about 495.5787306552.

The spelling of 121713283 in words is "one hundred twenty-one million, seven hundred thirteen thousand, two hundred eighty-three".