71274123 has 12 divisors (see below), whose sum is σ = 103127440. Its totient is φ = 47434896.

The previous prime is 71274109. The next prime is 71274139. The reversal of 71274123 is 32147217.

It is a happy number.

It is not a de Polignac number, because 71274123 - 2⁴ = 71274107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71274103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 943 + ... + 11976.

Almost surely, 2^71274123 is an apocalyptic number.

71274123 is a deficient number, since it is larger than the sum of its proper divisors (31853317).

71274123 is a wasteful number, since it uses less digits than its factorization.

71274123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13538 (or 13535 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 71274123 is about 8442.4003103383. The cubic root of 71274123 is about 414.6139982694.

The spelling of 71274123 in words is "seventy-one million, two hundred seventy-four thousand, one hundred twenty-three".