122928471 has 6 divisors (see below), whose sum is σ = 177563360. Its totient is φ = 81952308.

The previous prime is 122928457. The next prime is 122928539. The reversal of 122928471 is 174829221.

It is not a de Polignac number, because 122928471 - 2¹⁰ = 122927447 is a prime.

It is a super-3 number, since 3×122928471³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122928371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6829351 + ... + 6829368.

Almost surely, 2^122928471 is an apocalyptic number.

122928471 is a deficient number, since it is larger than the sum of its proper divisors (54634889).

122928471 is a wasteful number, since it uses less digits than its factorization.

122928471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13658725 (or 13658722 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 122928471 is about 11087.3112610768. The cubic root of 122928471 is about 497.2225615724. Note that the first 3 decimals are identical.

The spelling of 122928471 in words is "one hundred twenty-two million, nine hundred twenty-eight thousand, four hundred seventy-one".