122485730 has 32 divisors (see below), whose sum is σ = 224263728. Its totient is φ = 48160000.

The previous prime is 122485729. The next prime is 122485733. The reversal of 122485730 is 37584221.

It can be written as a sum of positive squares in 8 ways, for example, as 120714169 + 1771561 = 10987^2 + 1331^2 .

It is not an unprimeable number, because it can be changed into a prime (122485733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174380 + ... + 175080.

Almost surely, 2^122485730 is an apocalyptic number.

122485730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122485730 is a deficient number, since it is larger than the sum of its proper divisors (101777998).

122485730 is a wasteful number, since it uses less digits than its factorization.

122485730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 122485730 is about 11067.3271389256. The cubic root of 122485730 is about 496.6249087805.

The spelling of 122485730 in words is "one hundred twenty-two million, four hundred eighty-five thousand, seven hundred thirty".