121672065 has 8 divisors (see below), whose sum is σ = 194675328. Its totient is φ = 64891760.

The previous prime is 121672027. The next prime is 121672079. The reversal of 121672065 is 560276121.

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

It is not a de Polignac number, because 121672065 - 2²¹ = 119574913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4055721 + ... + 4055750.

It is an arithmetic number, because the mean of its divisors is an integer number (24334416).

Almost surely, 2^121672065 is an apocalyptic number.

121672065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121672065 is a deficient number, since it is larger than the sum of its proper divisors (73003263).

121672065 is an equidigital number, since it uses as much as digits as its factorization.

121672065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8111479.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 121672065 is about 11030.5061080623. The cubic root of 121672065 is about 495.5227820359.

The spelling of 121672065 in words is "one hundred twenty-one million, six hundred seventy-two thousand, sixty-five".