122042500 has 30 divisors (see below), whose sum is σ = 266888006. Its totient is φ = 48816000.

The previous prime is 122042461. The next prime is 122042509. The reversal of 122042500 is 5240221.

It can be written as a sum of positive squares in 5 ways, for example, as 54671236 + 67371264 = 7394^2 + 8208^2 .

It is not an unprimeable number, because it can be changed into a prime (122042509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 21909 + ... + 26908.

Almost surely, 2^122042500 is an apocalyptic number.

122042500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122042500 is an abundant number, since it is smaller than the sum of its proper divisors (144845506).

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

122042500 is an equidigital number, since it uses as much as digits as its factorization.

122042500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48841 (or 48824 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 122042500 is about 11047.2847342684. The cubic root of 122042500 is about 496.0251515602.

Adding to 122042500 its reverse (5240221), we get a palindrome (127282721).

The spelling of 122042500 in words is "one hundred twenty-two million, forty-two thousand, five hundred".