122880263 has 4 divisors (see below), whose sum is σ = 134051208. Its totient is φ = 111709320.

The previous prime is 122880259. The next prime is 122880271. The reversal of 122880263 is 362088221.

Added to its reverse (362088221) it gives a square (484968484 = 22022²).

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

It is a cyclic number.

It is not a de Polignac number, because 122880263 - 2² = 122880259 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 (122880203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5585456 + ... + 5585477.

It is an arithmetic number, because the mean of its divisors is an integer number (33512802).

Almost surely, 2^122880263 is an apocalyptic number.

122880263 is a deficient number, since it is larger than the sum of its proper divisors (11170945).

122880263 is a wasteful number, since it uses less digits than its factorization.

122880263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11170944.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 122880263 is about 11085.1370311783. The cubic root of 122880263 is about 497.1575556408.

Adding to 122880263 its reverse (362088221), we get a square (484968484 = 22022²).

The spelling of 122880263 in words is "one hundred twenty-two million, eight hundred eighty thousand, two hundred sixty-three".