122100530 has 16 divisors (see below), whose sum is σ = 222792984. Its totient is φ = 48170880.

The previous prime is 122100497. The next prime is 122100541. The reversal of 122100530 is 35001221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 111492481 + 10608049 = 10559^2 + 3257^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82901 + ... + 84360.

Almost surely, 2^122100530 is an apocalyptic number.

122100530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122100530 is a deficient number, since it is larger than the sum of its proper divisors (100692454).

122100530 is a wasteful number, since it uses less digits than its factorization.

122100530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167341.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 122100530 is about 11049.9108593690. The cubic root of 122100530 is about 496.1037574516.

Adding to 122100530 its reverse (35001221), we get a palindrome (157101751).

The spelling of 122100530 in words is "one hundred twenty-two million, one hundred thousand, five hundred thirty".