7394108121 has 9 divisors (see below), whose sum is σ = 10680751029. Its totient is φ = 4929233436.

The previous prime is 7394108093. The next prime is 7394108147. The reversal of 7394108121 is 1218014937.

It is a happy number.

The square root of 7394108121 is 85989.

It is a perfect power (a square), and thus also a powerful number.

7394108121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 7394108121 - 2⁵ = 7394108089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7394108171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 243636 + ... + 272298.

Almost surely, 2^7394108121 is an apocalyptic number.

7394108121 is the 85989-th square number.

7394108121 is the 42995-th centered octagonal number.

It is an amenable number.

7394108121 is a deficient number, since it is larger than the sum of its proper divisors (3286642908).

7394108121 is an frugal number, since it uses more digits than its factorization.

7394108121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57332 (or 28666 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The cubic root of 7394108121 is about 1948.1778394456.

Multiplying 7394108121 by its sum of digits (36), we get a square (266187892356 = 515934²).

The spelling of 7394108121 in words is "seven billion, three hundred ninety-four million, one hundred eight thousand, one hundred twenty-one".