122445730 has 32 divisors (see below), whose sum is σ = 254586240. Its totient is φ = 41905920.

The previous prime is 122445647. The next prime is 122445733. The reversal of 122445730 is 37544221.

It is not an unprimeable number, because it can be changed into a prime (122445733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30870 + ... + 34609.

It is an arithmetic number, because the mean of its divisors is an integer number (7955820).

Almost surely, 2^122445730 is an apocalyptic number.

122445730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122445730 is an abundant number, since it is smaller than the sum of its proper divisors (132140510).

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

122445730 is a wasteful number, since it uses less digits than its factorization.

122445730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65514.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 122445730 is about 11065.5198702998. The cubic root of 122445730 is about 496.5708421852.

Adding to 122445730 its reverse (37544221), we get a palindrome (159989951).

The spelling of 122445730 in words is "one hundred twenty-two million, four hundred forty-five thousand, seven hundred thirty".