122247000 has 288 divisors, whose sum is σ = 448269120. Its totient is φ = 30028800.

The previous prime is 122246987. The next prime is 122247023. The reversal of 122247000 is 742221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2600977 + ... + 2601023.

It is an arithmetic number, because the mean of its divisors is an integer number (1556490).

Almost surely, 2^122247000 is an apocalyptic number.

122247000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122247000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224134560).

122247000 is an abundant number, since it is smaller than the sum of its proper divisors (326022120).

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

122247000 is a wasteful number, since it uses less digits than its factorization.

122247000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 122247000 is about 11056.5365282262. The cubic root of 122247000 is about 496.3020511064.

Adding to 122247000 its reverse (742221), we get a palindrome (122989221).

The spelling of 122247000 in words is "one hundred twenty-two million, two hundred forty-seven thousand".