122898789 has 40 divisors (see below), whose sum is σ = 199485440. Its totient is φ = 74952864.

The previous prime is 122898767. The next prime is 122898827. The reversal of 122898789 is 987898221.

It is not a de Polignac number, because 122898789 - 2⁵ = 122898757 is a prime.

It is a super-2 number, since 2×122898789² = 30208224675333042, 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 (122898889) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 133272 + ... + 134190.

It is an arithmetic number, because the mean of its divisors is an integer number (4987136).

Almost surely, 2^122898789 is an apocalyptic number.

It is an amenable number.

122898789 is a deficient number, since it is larger than the sum of its proper divisors (76586651).

122898789 is a wasteful number, since it uses less digits than its factorization.

122898789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071 (or 1062 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 54.

The square root of 122898789 is about 11085.9726230945. The cubic root of 122898789 is about 497.1825389805.

The spelling of 122898789 in words is "one hundred twenty-two million, eight hundred ninety-eight thousand, seven hundred eighty-nine".