122020577 has 8 divisors (see below), whose sum is σ = 147655296. Its totient is φ = 98436672.

The previous prime is 122020573. The next prime is 122020637. The reversal of 122020577 is 775020221.

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 122020577 - 2² = 122020573 is a prime.

It is a super-2 number, since 2×122020577² = 29778042422825858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122020573) 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, 512573 + ... + 512810.

It is an arithmetic number, because the mean of its divisors is an integer number (18456912).

Almost surely, 2^122020577 is an apocalyptic number.

122020577 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

122020577 is a deficient number, since it is larger than the sum of its proper divisors (25634719).

122020577 is a wasteful number, since it uses less digits than its factorization.

122020577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025407.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 122020577 is about 11046.2924549371. The cubic root of 122020577 is about 495.9954487637.

Adding to 122020577 its reverse (775020221), we get a palindrome (897040798).

The spelling of 122020577 in words is "one hundred twenty-two million, twenty thousand, five hundred seventy-seven".