121066907 has 4 divisors (see below), whose sum is σ = 130379760. Its totient is φ = 111754056.

The previous prime is 121066903. The next prime is 121066927. The reversal of 121066907 is 709660121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 709660121 = 17 ⋅41744713.

It is a cyclic number.

It is not a de Polignac number, because 121066907 - 2² = 121066903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121066903) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4656407 + ... + 4656432.

It is an arithmetic number, because the mean of its divisors is an integer number (32594940).

Almost surely, 2^121066907 is an apocalyptic number.

121066907 is a deficient number, since it is larger than the sum of its proper divisors (9312853).

121066907 is an equidigital number, since it uses as much as digits as its factorization.

121066907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9312852.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 121066907 is about 11003.0408069770. The cubic root of 121066907 is about 494.6998922300.

The spelling of 121066907 in words is "one hundred twenty-one million, sixty-six thousand, nine hundred seven".