122542150 has 24 divisors (see below), whose sum is σ = 234092160. Its totient is φ = 47691360.

The previous prime is 122542127. The next prime is 122542151. The reversal of 122542150 is 51245221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122542151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31270 + ... + 34969.

It is an arithmetic number, because the mean of its divisors is an integer number (9753840).

Almost surely, 2^122542150 is an apocalyptic number.

122542150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122542150 is a deficient number, since it is larger than the sum of its proper divisors (111550010).

122542150 is a wasteful number, since it uses less digits than its factorization.

122542150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66288 (or 66283 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 122542150 is about 11069.8757897277. The cubic root of 122542150 is about 496.7011497061.

Adding to 122542150 its reverse (51245221), we get a palindrome (173787371).

The spelling of 122542150 in words is "one hundred twenty-two million, five hundred forty-two thousand, one hundred fifty".