122897814 has 48 divisors (see below), whose sum is σ = 280209600. Its totient is φ = 35818848.

The previous prime is 122897813. The next prime is 122897821. The reversal of 122897814 is 418798221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122897813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16077 + ... + 22455.

It is an arithmetic number, because the mean of its divisors is an integer number (5837700).

Almost surely, 2^122897814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122897814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140104800).

122897814 is an abundant number, since it is smaller than the sum of its proper divisors (157311786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122897814 is a wasteful number, since it uses less digits than its factorization.

122897814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6429 (or 6416 counting only the distinct ones).

The product of its digits is 64512, while the sum is 42.

The square root of 122897814 is about 11085.9286485166. The cubic root of 122897814 is about 497.1812242014.

The spelling of 122897814 in words is "one hundred twenty-two million, eight hundred ninety-seven thousand, eight hundred fourteen".