121367699 has 4 divisors (see below), whose sum is σ = 121405464. Its totient is φ = 121329936.

The previous prime is 121367693. The next prime is 121367707. The reversal of 121367699 is 996763121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 996763121 = 23 ⋅43337527.

It is a cyclic number.

It is not a de Polignac number, because 121367699 - 2¹² = 121363603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121367693) 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, 13562 + ... + 20655.

It is an arithmetic number, because the mean of its divisors is an integer number (30351366).

Almost surely, 2^121367699 is an apocalyptic number.

121367699 is a deficient number, since it is larger than the sum of its proper divisors (37765).

121367699 is an equidigital number, since it uses as much as digits as its factorization.

121367699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37764.

The product of its digits is 122472, while the sum is 44.

The square root of 121367699 is about 11016.7009127052. The cubic root of 121367699 is about 495.1092490898.

The spelling of 121367699 in words is "one hundred twenty-one million, three hundred sixty-seven thousand, six hundred ninety-nine".