121252 has 6 divisors (see below), whose sum is σ = 212198. Its totient is φ = 60624.

The previous prime is 121229. The next prime is 121259. The reversal of 121252 is 252121.

It can be written as a sum of positive squares in only one way, i.e., 118336 + 2916 = 344^2 + 54^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (121259) by changing a digit.

121252 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 as a sum of consecutive naturals, namely, 15153 + ... + 15160.

2¹²¹²⁵² is an apocalyptic number.

It is an amenable number.

121252 is a deficient number, since it is larger than the sum of its proper divisors (90946).

121252 is a wasteful number, since it uses less digits than its factorization.

121252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30317 (or 30315 counting only the distinct ones).

The product of its digits is 40, while the sum is 13.

The square root of 121252 is about 348.2125787504. The cubic root of 121252 is about 49.4951870979.

Adding to 121252 its reverse (252121), we get a palindrome (373373).

It can be divided in two parts, 121 and 252, that added together give a palindrome (373).

The spelling of 121252 in words is "one hundred twenty-one thousand, two hundred fifty-two".