122750 has 16 divisors (see below), whose sum is σ = 230256. Its totient is φ = 49000.

The previous prime is 122743. The next prime is 122753. The reversal of 122750 is 57221.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122753) by changing a digit.

122750 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5 + ... + 495.

It is an arithmetic number, because the mean of its divisors is an integer number (14391).

2¹²²⁷⁵⁰ is an apocalyptic number.

122750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122750 is a deficient number, since it is larger than the sum of its proper divisors (107506).

122750 is an equidigital number, since it uses as much as digits as its factorization.

122750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 122750 is about 350.3569608271. The cubic root of 122750 is about 49.6981817811.

Adding to 122750 its reverse (57221), we get a palindrome (179971).

The spelling of 122750 in words is "one hundred twenty-two thousand, seven hundred fifty".