122441287 has 4 divisors (see below), whose sum is σ = 122464216. Its totient is φ = 122418360.

The previous prime is 122441281. The next prime is 122441299. The reversal of 122441287 is 782144221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 782144221 = 37 ⋅21139033.

It is a cyclic number.

It is not a de Polignac number, because 122441287 - 2³ = 122441279 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 (122441281) 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, 1237 + ... + 15697.

It is an arithmetic number, because the mean of its divisors is an integer number (30616054).

Almost surely, 2^122441287 is an apocalyptic number.

122441287 is a deficient number, since it is larger than the sum of its proper divisors (22929).

122441287 is an equidigital number, since it uses as much as digits as its factorization.

122441287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22928.

The product of its digits is 7168, while the sum is 31.

The square root of 122441287 is about 11065.3191097230. The cubic root of 122441287 is about 496.5648360116.

It can be divided in two parts, 12244 and 1287, that added together give a palindrome (13531).

The spelling of 122441287 in words is "one hundred twenty-two million, four hundred forty-one thousand, two hundred eighty-seven".