68926121 has 4 divisors (see below), whose sum is σ = 75192144. Its totient is φ = 62660100.

The previous prime is 68926103. The next prime is 68926159. The reversal of 68926121 is 12162986.

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 68926121 - 2⁶ = 68926057 is a prime.

It is a super-2 number, since 2×68926121² = 9501620312213282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68926021) 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, 3132995 + ... + 3133016.

It is an arithmetic number, because the mean of its divisors is an integer number (18798036).

Almost surely, 2^68926121 is an apocalyptic number.

It is an amenable number.

68926121 is a deficient number, since it is larger than the sum of its proper divisors (6266023).

68926121 is a wasteful number, since it uses less digits than its factorization.

68926121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6266022.

The product of its digits is 10368, while the sum is 35.

The square root of 68926121 is about 8302.1756787001. The cubic root of 68926121 is about 410.0101544183.

The spelling of 68926121 in words is "sixty-eight million, nine hundred twenty-six thousand, one hundred twenty-one".