121715011 has 8 divisors (see below), whose sum is σ = 138553344. Its totient is φ = 105838920.

The previous prime is 121714993. The next prime is 121715023. The reversal of 121715011 is 110517121.

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

It is not a de Polignac number, because 121715011 - 2¹⁷ = 121583939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121715011.

It is not an unprimeable number, because it can be changed into a prime (121745011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240291 + ... + 240796.

It is an arithmetic number, because the mean of its divisors is an integer number (17319168).

Almost surely, 2^121715011 is an apocalyptic number.

121715011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121715011 is a deficient number, since it is larger than the sum of its proper divisors (16838333).

121715011 is a wasteful number, since it uses less digits than its factorization.

121715011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481121.

The product of its (nonzero) digits is 70, while the sum is 19.

The square root of 121715011 is about 11032.4526284956. The cubic root of 121715011 is about 495.5810759374.

The spelling of 121715011 in words is "one hundred twenty-one million, seven hundred fifteen thousand, eleven".