121715000119 has 4 divisors (see below), whose sum is σ = 123082584480. Its totient is φ = 120347415760.

The previous prime is 121715000107. The next prime is 121715000149. The reversal of 121715000119 is 911000517121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121715000119 - 2²¹ = 121712902967 is a prime.

It is a super-2 number, since 2×121715000119² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121715000149) 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, 683792047 + ... + 683792224.

It is an arithmetic number, because the mean of its divisors is an integer number (30770646120).

Almost surely, 2^121715000119 is an apocalyptic number.

121715000119 is a deficient number, since it is larger than the sum of its proper divisors (1367584361).

121715000119 is an equidigital number, since it uses as much as digits as its factorization.

121715000119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367584360.

The product of its (nonzero) digits is 630, while the sum is 28.

The spelling of 121715000119 in words is "one hundred twenty-one billion, seven hundred fifteen million, one hundred nineteen", and thus it is an aban number.