121746245 has 8 divisors (see below), whose sum is σ = 152447616. Its totient is φ = 93162256.

The previous prime is 121746241. The next prime is 121746259. The reversal of 121746245 is 542647121.

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 121746245 - 2² = 121746241 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121746241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529217 + ... + 529446.

It is an arithmetic number, because the mean of its divisors is an integer number (19055952).

Almost surely, 2^121746245 is an apocalyptic number.

It is an amenable number.

121746245 is a deficient number, since it is larger than the sum of its proper divisors (30701371).

121746245 is a wasteful number, since it uses less digits than its factorization.

121746245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058691.

The product of its digits is 13440, while the sum is 32.

The square root of 121746245 is about 11033.8680887529. The cubic root of 121746245 is about 495.6234636301.

The spelling of 121746245 in words is "one hundred twenty-one million, seven hundred forty-six thousand, two hundred forty-five".