122898257 has 8 divisors (see below), whose sum is σ = 126048384. Its totient is φ = 119761488.

The previous prime is 122898247. The next prime is 122898283. The reversal of 122898257 is 752898221.

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 122898257 - 2⁴ = 122898241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122898227) 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, 16823 + ... + 22995.

It is an arithmetic number, because the mean of its divisors is an integer number (15756048).

Almost surely, 2^122898257 is an apocalyptic number.

It is an amenable number.

122898257 is a deficient number, since it is larger than the sum of its proper divisors (3150127).

122898257 is an equidigital number, since it uses as much as digits as its factorization.

122898257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6679.

The product of its digits is 161280, while the sum is 44.

The square root of 122898257 is about 11085.9486287823. The cubic root of 122898257 is about 497.1818215839.

The spelling of 122898257 in words is "one hundred twenty-two million, eight hundred ninety-eight thousand, two hundred fifty-seven".