122156471471 has 8 divisors (see below), whose sum is σ = 125799417600. Its totient is φ = 118565942040.

The previous prime is 122156471461. The next prime is 122156471501. The reversal of 122156471471 is 174174651221.

It is a happy number.

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 122156471471 - 2¹⁴ = 122156455087 is a prime.

It is a super-3 number, since 3×122156471471³ (a number of 34 digits) contains 333 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 (122156471461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13099445 + ... + 13108766.

It is an arithmetic number, because the mean of its divisors is an integer number (15724927200).

Almost surely, 2^122156471471 is an apocalyptic number.

122156471471 is a deficient number, since it is larger than the sum of its proper divisors (3642946129).

122156471471 is an equidigital number, since it uses as much as digits as its factorization.

122156471471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26208349.

The product of its digits is 94080, while the sum is 41.

The spelling of 122156471471 in words is "one hundred twenty-two billion, one hundred fifty-six million, four hundred seventy-one thousand, four hundred seventy-one".