121762113073 has 4 divisors (see below), whose sum is σ = 128170645360. Its totient is φ = 115353580788.

The previous prime is 121762113061. The next prime is 121762113157. The reversal of 121762113073 is 370311267121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 370311267121 = 17 ⋅21783015713.

It is a cyclic number.

It is not a de Polignac number, because 121762113073 - 2⁵ = 121762113041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121762113673) 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, 3204266115 + ... + 3204266152.

It is an arithmetic number, because the mean of its divisors is an integer number (32042661340).

Almost surely, 2^121762113073 is an apocalyptic number.

It is an amenable number.

121762113073 is a deficient number, since it is larger than the sum of its proper divisors (6408532287).

121762113073 is an equidigital number, since it uses as much as digits as its factorization.

121762113073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6408532286.

The product of its (nonzero) digits is 10584, while the sum is 34.

The spelling of 121762113073 in words is "one hundred twenty-one billion, seven hundred sixty-two million, one hundred thirteen thousand, seventy-three".