122001292 has 48 divisors (see below), whose sum is σ = 255790080. Its totient is φ = 49781952.

The previous prime is 122001287. The next prime is 122001301. The reversal of 122001292 is 292100221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250273 + ... + 250759.

It is an arithmetic number, because the mean of its divisors is an integer number (5328960).

Almost surely, 2^122001292 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122001292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127895040).

122001292 is an abundant number, since it is smaller than the sum of its proper divisors (133788788).

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

122001292 is a wasteful number, since it uses less digits than its factorization.

122001292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 122001292 is about 11045.4195031244. The cubic root of 122001292 is about 495.9693171707.

The spelling of 122001292 in words is "one hundred twenty-two million, one thousand, two hundred ninety-two".