122247040 has 64 divisors (see below), whose sum is σ = 293796720. Its totient is φ = 48640000.

The previous prime is 122247031. The next prime is 122247053. The reversal of 122247040 is 40742221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160260 + ... + 161020.

Almost surely, 2^122247040 is an apocalyptic number.

122247040 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 122247040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146898360).

122247040 is an abundant number, since it is smaller than the sum of its proper divisors (171549680).

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

122247040 is an equidigital number, since it uses as much as digits as its factorization.

122247040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031 (or 1019 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 122247040 is about 11056.5383371108. The cubic root of 122247040 is about 496.3021052374.

Adding to 122247040 its reverse (40742221), we get a palindrome (162989261).

The spelling of 122247040 in words is "one hundred twenty-two million, two hundred forty-seven thousand, forty".