121675607 has 4 divisors (see below), whose sum is σ = 121712376. Its totient is φ = 121638840.

The previous prime is 121675583. The next prime is 121675627. The reversal of 121675607 is 706576121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 706576121 = 24337 ⋅29033.

It is a cyclic number.

It is not a de Polignac number, because 121675607 - 2¹⁸ = 121413463 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 (121675627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12869 + ... + 20222.

It is an arithmetic number, because the mean of its divisors is an integer number (30428094).

Almost surely, 2^121675607 is an apocalyptic number.

121675607 is a deficient number, since it is larger than the sum of its proper divisors (36769).

121675607 is an equidigital number, since it uses as much as digits as its factorization.

121675607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36768.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 121675607 is about 11030.6666616302. Note that the first 5 decimals coincide. The cubic root of 121675607 is about 495.5275903833.

The spelling of 121675607 in words is "one hundred twenty-one million, six hundred seventy-five thousand, six hundred seven".