121103252 has 6 divisors (see below), whose sum is σ = 211930698. Its totient is φ = 60551624.

The previous prime is 121103249. The next prime is 121103261. The reversal of 121103252 is 252301121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 113507716 + 7595536 = 10654^2 + 2756^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121103252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15137903 + ... + 15137910.

It is an arithmetic number, because the mean of its divisors is an integer number (35321783).

Almost surely, 2^121103252 is an apocalyptic number.

It is an amenable number.

121103252 is a deficient number, since it is larger than the sum of its proper divisors (90827446).

121103252 is a wasteful number, since it uses less digits than its factorization.

121103252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30275817 (or 30275815 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 121103252 is about 11004.6922719356. The cubic root of 121103252 is about 494.7493912195.

Adding to 121103252 its reverse (252301121), we get a palindrome (373404373).

The spelling of 121103252 in words is "one hundred twenty-one million, one hundred three thousand, two hundred fifty-two".