68124451 has 16 divisors (see below), whose sum is σ = 72576000. Its totient is φ = 63842688.

The previous prime is 68124449. The next prime is 68124467. The reversal of 68124451 is 15442186.

It is not a de Polignac number, because 68124451 - 2¹ = 68124449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68124401) 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, 195025 + ... + 195373.

It is an arithmetic number, because the mean of its divisors is an integer number (4536000).

Almost surely, 2^68124451 is an apocalyptic number.

68124451 is a deficient number, since it is larger than the sum of its proper divisors (4451549).

68124451 is a wasteful number, since it uses less digits than its factorization.

68124451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558.

The product of its digits is 7680, while the sum is 31.

The square root of 68124451 is about 8253.7537520815. The cubic root of 68124451 is about 408.4143614109.

The spelling of 68124451 in words is "sixty-eight million, one hundred twenty-four thousand, four hundred fifty-one".