82123254 has 16 divisors (see below), whose sum is σ = 182496240. Its totient is φ = 27374400.

The previous prime is 82123253. The next prime is 82123267. The reversal of 82123254 is 45232128.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82123253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760347 + ... + 760454.

It is an arithmetic number, because the mean of its divisors is an integer number (11406015).

Almost surely, 2^82123254 is an apocalyptic number.

82123254 is an abundant number, since it is smaller than the sum of its proper divisors (100372986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82123254 is a wasteful number, since it uses less digits than its factorization.

82123254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520812 (or 1520806 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 82123254 is about 9062.1881463585. The cubic root of 82123254 is about 434.6657122576.

The spelling of 82123254 in words is "eighty-two million, one hundred twenty-three thousand, two hundred fifty-four".