121310452 has 6 divisors (see below), whose sum is σ = 212293298. Its totient is φ = 60655224.

The previous prime is 121310447. The next prime is 121310461. The reversal of 121310452 is 254013121.

It can be written as a sum of positive squares in only one way, i.e., 78747876 + 42562576 = 8874^2 + 6524^2 .

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, 15163803 + ... + 15163810.

Almost surely, 2^121310452 is an apocalyptic number.

It is an amenable number.

121310452 is a deficient number, since it is larger than the sum of its proper divisors (90982846).

121310452 is a wasteful number, since it uses less digits than its factorization.

121310452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30327617 (or 30327615 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 121310452 is about 11014.1024146319. The cubic root of 121310452 is about 495.0313920846.

Adding to 121310452 its reverse (254013121), we get a palindrome (375323573).

The spelling of 121310452 in words is "one hundred twenty-one million, three hundred ten thousand, four hundred fifty-two".