122287307 has 4 divisors (see below), whose sum is σ = 129480696. Its totient is φ = 115093920.

The previous prime is 122287301. The next prime is 122287351. The reversal of 122287307 is 703782221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 703782221 = 23 ⋅30599227.

It is a cyclic number.

It is not a de Polignac number, because 122287307 - 2²⁰ = 121238731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122287301) 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, 3596669 + ... + 3596702.

It is an arithmetic number, because the mean of its divisors is an integer number (32370174).

Almost surely, 2^122287307 is an apocalyptic number.

122287307 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

122287307 is a deficient number, since it is larger than the sum of its proper divisors (7193389).

122287307 is an equidigital number, since it uses as much as digits as its factorization.

122287307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7193388.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 122287307 is about 11058.3591459131. The cubic root of 122287307 is about 496.3565916365.

The spelling of 122287307 in words is "one hundred twenty-two million, two hundred eighty-seven thousand, three hundred seven".