121001199 has 8 divisors (see below), whose sum is σ = 176001792. Its totient is φ = 73334040.

The previous prime is 121001197. The next prime is 121001203. The reversal of 121001199 is 991100121.

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

It is not a de Polignac number, because 121001199 - 2¹ = 121001197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121001197) 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 7 ways as a sum of consecutive naturals, for example, 1833319 + ... + 1833384.

It is an arithmetic number, because the mean of its divisors is an integer number (22000224).

Almost surely, 2^121001199 is an apocalyptic number.

121001199 is a deficient number, since it is larger than the sum of its proper divisors (55000593).

121001199 is a wasteful number, since it uses less digits than its factorization.

121001199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666717.

The product of its (nonzero) digits is 162, while the sum is 24.

The square root of 121001199 is about 11000.0544998650. The cubic root of 121001199 is about 494.6103780271.

The spelling of 121001199 in words is "one hundred twenty-one million, one thousand, one hundred ninety-nine".