122747113 has 4 divisors (see below), whose sum is σ = 128083968. Its totient is φ = 117410260.

The previous prime is 122747101. The next prime is 122747137. The reversal of 122747113 is 311747221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311747221 = 23 ⋅13554227.

It is a cyclic number.

It is not a de Polignac number, because 122747113 - 2⁹ = 122746601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122747173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2668393 + ... + 2668438.

It is an arithmetic number, because the mean of its divisors is an integer number (32020992).

Almost surely, 2^122747113 is an apocalyptic number.

It is an amenable number.

122747113 is a deficient number, since it is larger than the sum of its proper divisors (5336855).

122747113 is an equidigital number, since it uses as much as digits as its factorization.

122747113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5336854.

The product of its digits is 2352, while the sum is 28.

The square root of 122747113 is about 11079.1296138280. The cubic root of 122747113 is about 496.9779215511.

The spelling of 122747113 in words is "one hundred twenty-two million, seven hundred forty-seven thousand, one hundred thirteen".