122115143 has 8 divisors (see below), whose sum is σ = 127631280. Its totient is φ = 116686080.

The previous prime is 122115121. The next prime is 122115157. The reversal of 122115143 is 341511221.

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 122115143 - 2⁶ = 122115079 is a prime.

It is a super-3 number, since 3×122115143³ (a number of 25 digits) contains 333 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 (122115113) 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, 18893 + ... + 24518.

It is an arithmetic number, because the mean of its divisors is an integer number (15953910).

Almost surely, 2^122115143 is an apocalyptic number.

122115143 is a deficient number, since it is larger than the sum of its proper divisors (5516137).

122115143 is an equidigital number, since it uses as much as digits as its factorization.

122115143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43537.

The product of its digits is 240, while the sum is 20.

The square root of 122115143 is about 11050.5720666398. The cubic root of 122115143 is about 496.1235479063.

Adding to 122115143 its reverse (341511221), we get a palindrome (463626364).

The spelling of 122115143 in words is "one hundred twenty-two million, one hundred fifteen thousand, one hundred forty-three".