121131453 has 8 divisors (see below), whose sum is σ = 161637408. Its totient is φ = 80689904.

The previous prime is 121131433. The next prime is 121131481. The reversal of 121131453 is 354131121.

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 121131453 - 2¹⁷ = 121000381 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121131433) 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, 11526 + ... + 19367.

It is an arithmetic number, because the mean of its divisors is an integer number (20204676).

Almost surely, 2^121131453 is an apocalyptic number.

It is an amenable number.

121131453 is a deficient number, since it is larger than the sum of its proper divisors (40505955).

121131453 is a wasteful number, since it uses less digits than its factorization.

121131453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32203.

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

The square root of 121131453 is about 11005.9735144148. The cubic root of 121131453 is about 494.7877919078.

Adding to 121131453 its reverse (354131121), we get a palindrome (475262574).

The spelling of 121131453 in words is "one hundred twenty-one million, one hundred thirty-one thousand, four hundred fifty-three".