122730311 has 8 divisors (see below), whose sum is σ = 134327424. Its totient is φ = 111206520.

The previous prime is 122730287. The next prime is 122730313. The reversal of 122730311 is 113037221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122730311 - 2⁶ = 122730247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122730313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14795 + ... + 21548.

It is an arithmetic number, because the mean of its divisors is an integer number (16790928).

Almost surely, 2^122730311 is an apocalyptic number.

122730311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122730311 is a deficient number, since it is larger than the sum of its proper divisors (11597113).

122730311 is a wasteful number, since it uses less digits than its factorization.

122730311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36661.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 122730311 is about 11078.3713153153. The cubic root of 122730311 is about 496.9552445640.

Adding to 122730311 its reverse (113037221), we get a palindrome (235767532).

The spelling of 122730311 in words is "one hundred twenty-two million, seven hundred thirty thousand, three hundred eleven".