121113453 has 8 divisors (see below), whose sum is σ = 161561088. Its totient is φ = 80704064.

The previous prime is 121113451. The next prime is 121113463. The reversal of 121113453 is 354311121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121113453 - 2¹ = 121113451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121113451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101 + ... + 15602.

It is an arithmetic number, because the mean of its divisors is an integer number (20195136).

Almost surely, 2^121113453 is an apocalyptic number.

It is an amenable number.

121113453 is a deficient number, since it is larger than the sum of its proper divisors (40447635).

121113453 is a wasteful number, since it uses less digits than its factorization.

121113453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19123.

The product of its digits is 360, while the sum is 21.

The square root of 121113453 is about 11005.1557462855. The cubic root of 121113453 is about 494.7632823874.

Adding to 121113453 its reverse (354311121), we get a palindrome (475424574).

The spelling of 121113453 in words is "one hundred twenty-one million, one hundred thirteen thousand, four hundred fifty-three".