121101453 has 32 divisors (see below), whose sum is σ = 199065600. Its totient is φ = 72140400.

The previous prime is 121101451. The next prime is 121101457. The reversal of 121101453 is 354101121.

121101453 is a `hidden beast` number, since 1 + 211 + 0 + 1 + 453 = 666.

It is not a de Polignac number, because 121101453 - 2¹ = 121101451 is a prime.

It is a super-2 number, since 2×121101453² = 29331123837422418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14068 + ... + 20978.

It is an arithmetic number, because the mean of its divisors is an integer number (6220800).

Almost surely, 2^121101453 is an apocalyptic number.

It is an amenable number.

121101453 is a deficient number, since it is larger than the sum of its proper divisors (77964147).

121101453 is a wasteful number, since it uses less digits than its factorization.

121101453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6990 (or 6984 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 121101453 is about 11004.6105337717. The cubic root of 121101453 is about 494.7469413581.

Adding to 121101453 its reverse (354101121), we get a palindrome (475202574).

The spelling of 121101453 in words is "one hundred twenty-one million, one hundred one thousand, four hundred fifty-three".