68375121 has 4 divisors (see below), whose sum is σ = 91166832. Its totient is φ = 45583412.

The previous prime is 68375101. The next prime is 68375123. The reversal of 68375121 is 12157386.

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.

It is a cyclic number.

It is not a de Polignac number, because 68375121 - 2⁷ = 68374993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68375123) 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, 11395851 + ... + 11395856.

It is an arithmetic number, because the mean of its divisors is an integer number (22791708).

Almost surely, 2^68375121 is an apocalyptic number.

It is an amenable number.

68375121 is a deficient number, since it is larger than the sum of its proper divisors (22791711).

68375121 is a wasteful number, since it uses less digits than its factorization.

68375121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22791710.

The product of its digits is 10080, while the sum is 33.

The square root of 68375121 is about 8268.9250208234. The cubic root of 68375121 is about 408.9146806248.

The spelling of 68375121 in words is "sixty-eight million, three hundred seventy-five thousand, one hundred twenty-one".