122456237 has 4 divisors (see below), whose sum is σ = 122518620. Its totient is φ = 122393856.

The previous prime is 122456233. The next prime is 122456239. The reversal of 122456237 is 732654221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70241161 + 52215076 = 8381^2 + 7226^2 .

It is a cyclic number.

It is not a de Polignac number, because 122456237 - 2² = 122456233 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122456233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28148 + ... + 32205.

It is an arithmetic number, because the mean of its divisors is an integer number (30629655).

Almost surely, 2^122456237 is an apocalyptic number.

It is an amenable number.

122456237 is a deficient number, since it is larger than the sum of its proper divisors (62383).

122456237 is an equidigital number, since it uses as much as digits as its factorization.

122456237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62382.

The product of its digits is 20160, while the sum is 32.

The square root of 122456237 is about 11065.9946231688. The cubic root of 122456237 is about 496.5850452682.

The spelling of 122456237 in words is "one hundred twenty-two million, four hundred fifty-six thousand, two hundred thirty-seven".