122013777 has 12 divisors (see below), whose sum is σ = 172818896. Its totient is φ = 76557120.

The previous prime is 122013769. The next prime is 122013779. The reversal of 122013777 is 777310221.

It is not a de Polignac number, because 122013777 - 2³ = 122013769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122013779) 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, 69499 + ... + 71232.

Almost surely, 2^122013777 is an apocalyptic number.

122013777 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

122013777 is a deficient number, since it is larger than the sum of its proper divisors (50805119).

122013777 is a wasteful number, since it uses less digits than its factorization.

122013777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140768 (or 140751 counting only the distinct ones).

The product of its (nonzero) digits is 4116, while the sum is 30.

The square root of 122013777 is about 11045.9846550681. The cubic root of 122013777 is about 495.9862349306.

Adding to 122013777 its reverse (777310221), we get a palindrome (899323998).

The spelling of 122013777 in words is "one hundred twenty-two million, thirteen thousand, seven hundred seventy-seven".