122011760 has 40 divisors (see below), whose sum is σ = 305501280. Its totient is φ = 45050112.

The previous prime is 122011759. The next prime is 122011763. The reversal of 122011760 is 67110221.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57620 + ... + 59699.

It is an arithmetic number, because the mean of its divisors is an integer number (7637532).

Almost surely, 2^122011760 is an apocalyptic number.

122011760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122011760 is an abundant number, since it is smaller than the sum of its proper divisors (183489520).

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

122011760 is a wasteful number, since it uses less digits than its factorization.

122011760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117345 (or 117339 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 122011760 is about 11045.8933545458. The cubic root of 122011760 is about 495.9835018793.

Adding to 122011760 its reverse (67110221), we get a palindrome (189121981).

The spelling of 122011760 in words is "one hundred twenty-two million, eleven thousand, seven hundred sixty".