820124083 has 4 divisors (see below), whose sum is σ = 822018568. Its totient is φ = 818229600.

The previous prime is 820124069. The next prime is 820124099. The reversal of 820124083 is 380421028.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 820124083 - 2⁵ = 820124051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (820124033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 946593 + ... + 947458.

It is an arithmetic number, because the mean of its divisors is an integer number (205504642).

Almost surely, 2^820124083 is an apocalyptic number.

820124083 is a deficient number, since it is larger than the sum of its proper divisors (1894485).

820124083 is a wasteful number, since it uses less digits than its factorization.

820124083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894484.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 820124083 is about 28637.8086277564. The cubic root of 820124083 is about 936.0373715050.

The spelling of 820124083 in words is "eight hundred twenty million, one hundred twenty-four thousand, eighty-three".