122240263 has 4 divisors (see below), whose sum is σ = 122727528. Its totient is φ = 121753000.

The previous prime is 122240257. The next prime is 122240269. The reversal of 122240263 is 362042221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 362042221 = 857 ⋅422453.

It is an interprime number because it is at equal distance from previous prime (122240257) and next prime (122240269).

It is a cyclic number.

It is not a de Polignac number, because 122240263 - 2⁵ = 122240231 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 (122240269) 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, 243256 + ... + 243757.

It is an arithmetic number, because the mean of its divisors is an integer number (30681882).

Almost surely, 2^122240263 is an apocalyptic number.

122240263 is a deficient number, since it is larger than the sum of its proper divisors (487265).

122240263 is an equidigital number, since it uses as much as digits as its factorization.

122240263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487264.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 122240263 is about 11056.2318626194. The cubic root of 122240263 is about 496.2929339137.

Adding to 122240263 its reverse (362042221), we get a palindrome (484282484).

The spelling of 122240263 in words is "one hundred twenty-two million, two hundred forty thousand, two hundred sixty-three".