122159471 has 4 divisors (see below), whose sum is σ = 139610832. Its totient is φ = 104708112.

The previous prime is 122159407. The next prime is 122159473. The reversal of 122159471 is 174951221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 174951221 = 19 ⋅9207959.

It is a cyclic number.

It is not a de Polignac number, because 122159471 - 2⁶ = 122159407 is a prime.

It is a super-3 number, since 3×122159471³ (a number of 25 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 (122159473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8725670 + ... + 8725683.

It is an arithmetic number, because the mean of its divisors is an integer number (34902708).

Almost surely, 2^122159471 is an apocalyptic number.

122159471 is a deficient number, since it is larger than the sum of its proper divisors (17451361).

122159471 is an equidigital number, since it uses as much as digits as its factorization.

122159471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17451360.

The product of its digits is 5040, while the sum is 32.

The square root of 122159471 is about 11052.5775726751. The cubic root of 122159471 is about 496.1835718683.

The spelling of 122159471 in words is "one hundred twenty-two million, one hundred fifty-nine thousand, four hundred seventy-one".