121792086827 has 16 divisors (see below), whose sum is σ = 129125093760. Its totient is φ = 114554244672.

The previous prime is 121792086821. The next prime is 121792086833. The reversal of 121792086827 is 728680297121.

It is an interprime number because it is at equal distance from previous prime (121792086821) and next prime (121792086833).

It is a cyclic number.

It is not a de Polignac number, because 121792086827 - 2³⁰ = 120718345003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121792086821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1496528 + ... + 1575810.

It is an arithmetic number, because the mean of its divisors is an integer number (8070318360).

Almost surely, 2^121792086827 is an apocalyptic number.

121792086827 is a deficient number, since it is larger than the sum of its proper divisors (7333006933).

121792086827 is a wasteful number, since it uses less digits than its factorization.

121792086827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79882.

The product of its (nonzero) digits is 1354752, while the sum is 53.

The spelling of 121792086827 in words is "one hundred twenty-one billion, seven hundred ninety-two million, eighty-six thousand, eight hundred twenty-seven".