121414999 has 4 divisors (see below), whose sum is σ = 126693936. Its totient is φ = 116136064.

The previous prime is 121414963. The next prime is 121415009. The reversal of 121414999 is 999414121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999414121 = 27733 ⋅36037.

It is a cyclic number.

It is not a de Polignac number, because 121414999 - 2¹³ = 121406807 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121414099) 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, 2639434 + ... + 2639479.

It is an arithmetic number, because the mean of its divisors is an integer number (31673484).

Almost surely, 2^121414999 is an apocalyptic number.

121414999 is a deficient number, since it is larger than the sum of its proper divisors (5278937).

121414999 is an equidigital number, since it uses as much as digits as its factorization.

121414999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5278936.

The product of its digits is 23328, while the sum is 40.

The square root of 121414999 is about 11018.8474442657. The cubic root of 121414999 is about 495.1735595174.

The spelling of 121414999 in words is "one hundred twenty-one million, four hundred fourteen thousand, nine hundred ninety-nine".