122155025151 has 8 divisors (see below), whose sum is σ = 162905812480. Its totient is φ = 81420460632.

The previous prime is 122155025147. The next prime is 122155025159. The reversal of 122155025151 is 151520551221.

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

It is not a de Polignac number, because 122155025151 - 2² = 122155025147 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 (122155025159) 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 7 ways as a sum of consecutive naturals, for example, 4038121 + ... + 4068258.

It is an arithmetic number, because the mean of its divisors is an integer number (20363226560).

Almost surely, 2^122155025151 is an apocalyptic number.

122155025151 is a deficient number, since it is larger than the sum of its proper divisors (40750787329).

122155025151 is an equidigital number, since it uses as much as digits as its factorization.

122155025151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8111405.

The product of its (nonzero) digits is 5000, while the sum is 30.

Adding to 122155025151 its reverse (151520551221), we get a palindrome (273675576372).

The spelling of 122155025151 in words is "one hundred twenty-two billion, one hundred fifty-five million, twenty-five thousand, one hundred fifty-one".