122615250347 has 4 divisors (see below), whose sum is σ = 124342225776. Its totient is φ = 120888274920.

The previous prime is 122615250337. The next prime is 122615250353. The reversal of 122615250347 is 743052516221.

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 122615250347 - 2²⁶ = 122548141483 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 122615250347.

It is not an unprimeable number, because it can be changed into a prime (122615250337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 863487608 + ... + 863487749.

It is an arithmetic number, because the mean of its divisors is an integer number (31085556444).

Almost surely, 2^122615250347 is an apocalyptic number.

122615250347 is a deficient number, since it is larger than the sum of its proper divisors (1726975429).

122615250347 is an equidigital number, since it uses as much as digits as its factorization.

122615250347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726975428.

The product of its (nonzero) digits is 100800, while the sum is 38.

Adding to 122615250347 its reverse (743052516221), we get a palindrome (865667766568).

The spelling of 122615250347 in words is "one hundred twenty-two billion, six hundred fifteen million, two hundred fifty thousand, three hundred forty-seven".