122761386 has 64 divisors (see below), whose sum is σ = 315135360. Its totient is φ = 35009280.

The previous prime is 122761367. The next prime is 122761391. The reversal of 122761386 is 683167221.

122761386 is a `hidden beast` number, since 1 + 2 + 276 + 1 + 386 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 122761386.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4020 + ... + 16176.

It is an arithmetic number, because the mean of its divisors is an integer number (4923990).

Almost surely, 2^122761386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122761386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157567680).

122761386 is an abundant number, since it is smaller than the sum of its proper divisors (192373974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122761386 is a wasteful number, since it uses less digits than its factorization.

122761386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12196 (or 12190 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 122761386 is about 11079.7737341518. The cubic root of 122761386 is about 496.9971836224.

The spelling of 122761386 in words is "one hundred twenty-two million, seven hundred sixty-one thousand, three hundred eighty-six".