122738881 has 8 divisors (see below), whose sum is σ = 123670784. Its totient is φ = 121811040.

The previous prime is 122738873. The next prime is 122738897. The reversal of 122738881 is 188837221.

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 122738881 - 2³ = 122738873 is a prime.

It is a super-2 number, since 2×122738881² = 30129665818264322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122738801) 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, 84100 + ... + 85546.

It is an arithmetic number, because the mean of its divisors is an integer number (15458848).

Almost surely, 2^122738881 is an apocalyptic number.

It is an amenable number.

122738881 is a deficient number, since it is larger than the sum of its proper divisors (931903).

122738881 is a wasteful number, since it uses less digits than its factorization.

122738881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031.

The product of its digits is 43008, while the sum is 40.

The square root of 122738881 is about 11078.7580982708. The cubic root of 122738881 is about 496.9668114087.

The spelling of 122738881 in words is "one hundred twenty-two million, seven hundred thirty-eight thousand, eight hundred eighty-one".