121116452 has 12 divisors (see below), whose sum is σ = 212585100. Its totient is φ = 60377856.

The previous prime is 121116427. The next prime is 121116461. The reversal of 121116452 is 254611121.

It can be written as a sum of positive squares in 2 ways, for example, as 49477156 + 71639296 = 7034^2 + 8464^2 .

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43577 + ... + 46272.

It is an arithmetic number, because the mean of its divisors is an integer number (17715425).

Almost surely, 2^121116452 is an apocalyptic number.

It is an amenable number.

121116452 is a deficient number, since it is larger than the sum of its proper divisors (91468648).

121116452 is a wasteful number, since it uses less digits than its factorization.

121116452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90190 (or 90188 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

The square root of 121116452 is about 11005.2919997608. The cubic root of 121116452 is about 494.7673661145.

Adding to 121116452 its reverse (254611121), we get a palindrome (375727573).

The spelling of 121116452 in words is "one hundred twenty-one million, one hundred sixteen thousand, four hundred fifty-two".