82123754 has 16 divisors (see below), whose sum is σ = 129796992. Its totient is φ = 38893008.

The previous prime is 82123733. The next prime is 82123781. The reversal of 82123754 is 45732128.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 82123754.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3929 + ... + 13404.

It is an arithmetic number, because the mean of its divisors is an integer number (8112312).

Almost surely, 2^82123754 is an apocalyptic number.

82123754 is a deficient number, since it is larger than the sum of its proper divisors (47673238).

82123754 is a wasteful number, since it uses less digits than its factorization.

82123754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17461.

The product of its digits is 13440, while the sum is 32.

The square root of 82123754 is about 9062.2157334727. The cubic root of 82123754 is about 434.6665943968. Note that the first 3 decimals are identical.

The spelling of 82123754 in words is "eighty-two million, one hundred twenty-three thousand, seven hundred fifty-four".