122020756151 has 4 divisors (see below), whose sum is σ = 139452292752. Its totient is φ = 104589219552.

The previous prime is 122020756139. The next prime is 122020756153. The reversal of 122020756151 is 151657020221.

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 122020756151 - 2⁶ = 122020756087 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 (122020756153) 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, 8715768290 + ... + 8715768303.

It is an arithmetic number, because the mean of its divisors is an integer number (34863073188).

Almost surely, 2^122020756151 is an apocalyptic number.

122020756151 is a deficient number, since it is larger than the sum of its proper divisors (17431536601).

122020756151 is an equidigital number, since it uses as much as digits as its factorization.

122020756151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17431536600.

The product of its (nonzero) digits is 8400, while the sum is 32.

Adding to 122020756151 its reverse (151657020221), we get a palindrome (273677776372).

The spelling of 122020756151 in words is "one hundred twenty-two billion, twenty million, seven hundred fifty-six thousand, one hundred fifty-one".