121614745 has 16 divisors (see below), whose sum is σ = 171295488. Its totient is φ = 81138240.

The previous prime is 121614737. The next prime is 121614761. The reversal of 121614745 is 547416121.

It is not a de Polignac number, because 121614745 - 2³ = 121614737 is a prime.

It is an alternating number because its digits alternate between odd and even.

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 15 ways as a sum of consecutive naturals, for example, 45661 + ... + 48250.

It is an arithmetic number, because the mean of its divisors is an integer number (10705968).

Almost surely, 2^121614745 is an apocalyptic number.

It is an amenable number.

121614745 is a deficient number, since it is larger than the sum of its proper divisors (49680743).

121614745 is an equidigital number, since it uses as much as digits as its factorization.

121614745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93960.

The product of its digits is 6720, while the sum is 31.

The square root of 121614745 is about 11027.9075531127. The cubic root of 121614745 is about 495.4449558251. Note that the first 3 decimals are identical.

The spelling of 121614745 in words is "one hundred twenty-one million, six hundred fourteen thousand, seven hundred forty-five".