122471661 has 8 divisors (see below), whose sum is σ = 175856800. Its totient is φ = 75367152.

The previous prime is 122471653. The next prime is 122471677. The reversal of 122471661 is 166174221.

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

It is not a de Polignac number, because 122471661 - 2³ = 122471653 is a prime.

It is a super-3 number, since 3×122471661³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122471651) 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, 1570111 + ... + 1570188.

It is an arithmetic number, because the mean of its divisors is an integer number (21982100).

Almost surely, 2^122471661 is an apocalyptic number.

It is an amenable number.

122471661 is a deficient number, since it is larger than the sum of its proper divisors (53385139).

122471661 is a wasteful number, since it uses less digits than its factorization.

122471661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3140315.

The product of its digits is 4032, while the sum is 30.

The square root of 122471661 is about 11066.6915110163. The cubic root of 122471661 is about 496.6058935494.

The spelling of 122471661 in words is "one hundred twenty-two million, four hundred seventy-one thousand, six hundred sixty-one".