122947713 has 30 divisors (see below), whose sum is σ = 213655266. Its totient is φ = 70253568.

The previous prime is 122947711. The next prime is 122947717. The reversal of 122947713 is 317749221.

It can be written as a sum of positive squares in only one way, i.e., 122943744 + 3969 = 11088^2 + 63^2 .

It is not a de Polignac number, because 122947713 - 2¹ = 122947711 is a prime.

It is a super-2 number, since 2×122947713² = 30232280263860738, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122947711) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 11520 + ... + 19457.

Almost surely, 2^122947713 is an apocalyptic number.

It is an amenable number.

122947713 is a deficient number, since it is larger than the sum of its proper divisors (90707553).

122947713 is an equidigital number, since it uses as much as digits as its factorization.

122947713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31003 (or 30987 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 122947713 is about 11088.1789758283. The cubic root of 122947713 is about 497.2485036434.

The spelling of 122947713 in words is "one hundred twenty-two million, nine hundred forty-seven thousand, seven hundred thirteen".