122020381 has 8 divisors (see below), whose sum is σ = 139541120. Its totient is φ = 104521968.

The previous prime is 122020361. The next prime is 122020391. The reversal of 122020381 is 183020221.

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 122020381 - 2⁹ = 122019869 is a prime.

It is a super-2 number, since 2×122020381² = 29777946758770322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020351) 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, 8515 + ... + 17791.

It is an arithmetic number, because the mean of its divisors is an integer number (17442640).

Almost surely, 2^122020381 is an apocalyptic number.

It is an amenable number.

122020381 is a deficient number, since it is larger than the sum of its proper divisors (17520739).

122020381 is an equidigital number, since it uses as much as digits as its factorization.

122020381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11163.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 122020381 is about 11046.2835831786. The cubic root of 122020381 is about 495.9951831933.

The spelling of 122020381 in words is "one hundred twenty-two million, twenty thousand, three hundred eighty-one".