122100774 has 8 divisors (see below), whose sum is σ = 244201560. Its totient is φ = 40700256.

The previous prime is 122100773. The next prime is 122100799. The reversal of 122100774 is 477001221.

It is a sphenic number, since it is the product of 3 distinct primes.

122100774 is an admirable number.

It is a super-2 number, since 2×122100774² = 29817198022798152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122100773) 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 3 ways as a sum of consecutive naturals, for example, 10175059 + ... + 10175070.

It is an arithmetic number, because the mean of its divisors is an integer number (30525195).

Almost surely, 2^122100774 is an apocalyptic number.

122100774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

122100774 is a wasteful number, since it uses less digits than its factorization.

122100774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20350134.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 122100774 is about 11049.9219001765. The cubic root of 122100774 is about 496.1040879149.

Adding to 122100774 its reverse (477001221), we get a palindrome (599101995).

The spelling of 122100774 in words is "one hundred twenty-two million, one hundred thousand, seven hundred seventy-four".