122841389 has 8 divisors (see below), whose sum is σ = 134974560. Its totient is φ = 110869200.

The previous prime is 122841379. The next prime is 122841401. The reversal of 122841389 is 983148221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122841389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122841349) 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, 38642 + ... + 41699.

It is an arithmetic number, because the mean of its divisors is an integer number (16871820).

Almost surely, 2^122841389 is an apocalyptic number.

It is an amenable number.

122841389 is a deficient number, since it is larger than the sum of its proper divisors (12133171).

122841389 is a wasteful number, since it uses less digits than its factorization.

122841389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80491.

The product of its digits is 27648, while the sum is 38.

The square root of 122841389 is about 11083.3834635458. The cubic root of 122841389 is about 497.1051237294.

The spelling of 122841389 in words is "one hundred twenty-two million, eight hundred forty-one thousand, three hundred eighty-nine".