122071331 has 4 divisors (see below), whose sum is σ = 122093664. Its totient is φ = 122049000.

The previous prime is 122071321. The next prime is 122071351. The reversal of 122071331 is 133170221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122071331 is a prime.

It is a super-2 number, since 2×122071331² = 29802819704223122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122071321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3161 + ... + 15941.

It is an arithmetic number, because the mean of its divisors is an integer number (30523416).

Almost surely, 2^122071331 is an apocalyptic number.

122071331 is a deficient number, since it is larger than the sum of its proper divisors (22333).

122071331 is an equidigital number, since it uses as much as digits as its factorization.

122071331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22332.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 122071331 is about 11048.5895479921. The cubic root of 122071331 is about 496.0642083782.

The spelling of 122071331 in words is "one hundred twenty-two million, seventy-one thousand, three hundred thirty-one".