68462121 has 16 divisors (see below), whose sum is σ = 112348544. Its totient is φ = 36111744.

The previous prime is 68462117. The next prime is 68462123. The reversal of 68462121 is 12126486.

It is not a de Polignac number, because 68462121 - 2² = 68462117 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68462123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125116 + ... + 125661.

It is an arithmetic number, because the mean of its divisors is an integer number (7021784).

Almost surely, 2^68462121 is an apocalyptic number.

It is an amenable number.

68462121 is a deficient number, since it is larger than the sum of its proper divisors (43886423).

68462121 is a wasteful number, since it uses less digits than its factorization.

68462121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250800.

The product of its digits is 4608, while the sum is 30.

The square root of 68462121 is about 8274.1840081062. The cubic root of 68462121 is about 409.0880404602.

The spelling of 68462121 in words is "sixty-eight million, four hundred sixty-two thousand, one hundred twenty-one".