122700475247 has 4 divisors (see below), whose sum is σ = 140229114576. Its totient is φ = 105171835920.

The previous prime is 122700475243. The next prime is 122700475343. The reversal of 122700475247 is 742574007221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 742574007221 = 29 ⋅25606000249.

It is a cyclic number.

It is not a de Polignac number, because 122700475247 - 2² = 122700475243 is a prime.

It is a super-2 number, since 2×122700475247² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122700475243) 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, 8764319654 + ... + 8764319667.

It is an arithmetic number, because the mean of its divisors is an integer number (35057278644).

Almost surely, 2^122700475247 is an apocalyptic number.

122700475247 is a deficient number, since it is larger than the sum of its proper divisors (17528639329).

122700475247 is an equidigital number, since it uses as much as digits as its factorization.

122700475247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17528639328.

The product of its (nonzero) digits is 219520, while the sum is 41.

The spelling of 122700475247 in words is "one hundred twenty-two billion, seven hundred million, four hundred seventy-five thousand, two hundred forty-seven".