121453499 has 16 divisors (see below), whose sum is σ = 128380416. Its totient is φ = 114760800.

The previous prime is 121453489. The next prime is 121453511. The reversal of 121453499 is 994354121.

It is a cyclic number.

It is not a de Polignac number, because 121453499 - 2¹² = 121449403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121453459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366764 + ... + 367094.

It is an arithmetic number, because the mean of its divisors is an integer number (8023776).

Almost surely, 2^121453499 is an apocalyptic number.

121453499 is a deficient number, since it is larger than the sum of its proper divisors (6926917).

121453499 is a wasteful number, since it uses less digits than its factorization.

121453499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626.

The product of its digits is 38880, while the sum is 38.

The square root of 121453499 is about 11020.5943124679. The cubic root of 121453499 is about 495.2258928851.

The spelling of 121453499 in words is "one hundred twenty-one million, four hundred fifty-three thousand, four hundred ninety-nine".