122012750 has 16 divisors (see below), whose sum is σ = 228408336. Its totient is φ = 48805000.

The previous prime is 122012741. The next prime is 122012753. The reversal of 122012750 is 57210221.

It is a super-2 number, since 2×122012750² = 29774222325125000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243776 + ... + 244275.

It is an arithmetic number, because the mean of its divisors is an integer number (14275521).

Almost surely, 2^122012750 is an apocalyptic number.

122012750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122012750 is a deficient number, since it is larger than the sum of its proper divisors (106395586).

122012750 is an equidigital number, since it uses as much as digits as its factorization.

122012750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488068 (or 488058 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 122012750 is about 11045.9381674894. The cubic root of 122012750 is about 495.9848433410.

Adding to 122012750 its reverse (57210221), we get a palindrome (179222971).

The spelling of 122012750 in words is "one hundred twenty-two million, twelve thousand, seven hundred fifty".