68466121 has 4 divisors (see below), whose sum is σ = 68486272. Its totient is φ = 68445972.

The previous prime is 68466103. The next prime is 68466131. The reversal of 68466121 is 12166486.

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 68466121 - 2⁷ = 68465993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68466131) 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, 3585 + ... + 12238.

It is an arithmetic number, because the mean of its divisors is an integer number (17121568).

Almost surely, 2^68466121 is an apocalyptic number.

It is an amenable number.

68466121 is a deficient number, since it is larger than the sum of its proper divisors (20151).

68466121 is a wasteful number, since it uses less digits than its factorization.

68466121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20150.

The product of its digits is 13824, while the sum is 34.

The square root of 68466121 is about 8274.4257202539. The cubic root of 68466121 is about 409.0960074950.

The spelling of 68466121 in words is "sixty-eight million, four hundred sixty-six thousand, one hundred twenty-one".