122020677 has 12 divisors (see below), whose sum is σ = 177813324. Its totient is φ = 80626560.

The previous prime is 122020663. The next prime is 122020687. The reversal of 122020677 is 776020221.

It can be written as a sum of positive squares in 2 ways, for example, as 1920996 + 120099681 = 1386^2 + 10959^2 .

It is not a de Polignac number, because 122020677 - 2¹⁴ = 122004293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122020677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58974 + ... + 61007.

It is an arithmetic number, because the mean of its divisors is an integer number (14817777).

Almost surely, 2^122020677 is an apocalyptic number.

It is an amenable number.

122020677 is a deficient number, since it is larger than the sum of its proper divisors (55792647).

122020677 is a wasteful number, since it uses less digits than its factorization.

122020677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120100 (or 120097 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 122020677 is about 11046.2969813418. The cubic root of 122020677 is about 495.9955842587.

Adding to 122020677 its reverse (776020221), we get a palindrome (898040898).

The spelling of 122020677 in words is "one hundred twenty-two million, twenty thousand, six hundred seventy-seven".