7941768121 has 8 divisors (see below), whose sum is σ = 9100007424. Its totient is φ = 6789454080.

The previous prime is 7941768103. The next prime is 7941768167. The reversal of 7941768121 is 1218671497.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 7941768121 - 2⁷ = 7941767993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7941768521) 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, 1478440 + ... + 1483801.

It is an arithmetic number, because the mean of its divisors is an integer number (1137500928).

Almost surely, 2^7941768121 is an apocalyptic number.

It is an amenable number.

7941768121 is a deficient number, since it is larger than the sum of its proper divisors (1158239303).

7941768121 is a wasteful number, since it uses less digits than its factorization.

7941768121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962631.

The product of its digits is 169344, while the sum is 46.

The square root of 7941768121 is about 89116.5984595462. The cubic root of 7941768121 is about 1995.1355214332.

The spelling of 7941768121 in words is "seven billion, nine hundred forty-one million, seven hundred sixty-eight thousand, one hundred twenty-one".