122513111 has 8 divisors (see below), whose sum is σ = 146102784. Its totient is φ = 100445400.

The previous prime is 122513107. The next prime is 122513113. The reversal of 122513111 is 111315221.

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 122513111 - 2² = 122513107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122513111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122513113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380315 + ... + 380636.

It is an arithmetic number, because the mean of its divisors is an integer number (18262848).

Almost surely, 2^122513111 is an apocalyptic number.

122513111 is a deficient number, since it is larger than the sum of its proper divisors (23589673).

122513111 is an equidigital number, since it uses as much as digits as its factorization.

122513111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760981.

The product of its digits is 60, while the sum is 17.

The square root of 122513111 is about 11068.5640893478. The cubic root of 122513111 is about 496.6619119304.

Adding to 122513111 its reverse (111315221), we get a palindrome (233828332).

The spelling of 122513111 in words is "one hundred twenty-two million, five hundred thirteen thousand, one hundred eleven".