121454245 has 8 divisors (see below), whose sum is σ = 158994720. Its totient is φ = 88330320.

The previous prime is 121454227. The next prime is 121454293. The reversal of 121454245 is 542454121.

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

It is not a de Polignac number, because 121454245 - 2⁹ = 121453733 is a prime.

It is a super-2 number, since 2×121454245² = 29502267257040050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1104075 + ... + 1104184.

It is an arithmetic number, because the mean of its divisors is an integer number (19874340).

Almost surely, 2^121454245 is an apocalyptic number.

It is an amenable number.

121454245 is a deficient number, since it is larger than the sum of its proper divisors (37540475).

121454245 is a wasteful number, since it uses less digits than its factorization.

121454245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208275.

The product of its digits is 6400, while the sum is 28.

The square root of 121454245 is about 11020.6281581405. The cubic root of 121454245 is about 495.2269068198.

The spelling of 121454245 in words is "one hundred twenty-one million, four hundred fifty-four thousand, two hundred forty-five".