122445270 has 96 divisors (see below), whose sum is σ = 338476320. Its totient is φ = 31829760.

The previous prime is 122445269. The next prime is 122445277. The reversal of 122445270 is 72544221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122445277) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99016 + ... + 100244.

It is an arithmetic number, because the mean of its divisors is an integer number (3525795).

Almost surely, 2^122445270 is an apocalyptic number.

122445270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122445270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169238160).

122445270 is an abundant number, since it is smaller than the sum of its proper divisors (216031050).

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

122445270 is a wasteful number, since it uses less digits than its factorization.

122445270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292 (or 1280 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 122445270 is about 11065.4990849939. The cubic root of 122445270 is about 496.5702203509.

Adding to 122445270 its reverse (72544221), we get a palindrome (194989491).

The spelling of 122445270 in words is "one hundred twenty-two million, four hundred forty-five thousand, two hundred seventy".