122040550 has 24 divisors (see below), whose sum is σ = 229344696. Its totient is φ = 48311040.

The previous prime is 122040547. The next prime is 122040557. The reversal of 122040550 is 55040221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122040557) 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 11 ways as a sum of consecutive naturals, for example, 7732 + ... + 17431.

It is an arithmetic number, because the mean of its divisors is an integer number (9556029).

Almost surely, 2^122040550 is an apocalyptic number.

122040550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122040550 is a deficient number, since it is larger than the sum of its proper divisors (107304146).

122040550 is a wasteful number, since it uses less digits than its factorization.

122040550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25272 (or 25267 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 122040550 is about 11047.1964769348. The cubic root of 122040550 is about 496.0225097094.

Adding to 122040550 its reverse (55040221), we get a palindrome (177080771).

The spelling of 122040550 in words is "one hundred twenty-two million, forty thousand, five hundred fifty".