83124137 has 4 divisors (see below), whose sum is σ = 83210196. Its totient is φ = 83038080.

The previous prime is 83124103. The next prime is 83124143. The reversal of 83124137 is 73142138.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73142138 = 2 ⋅36571069.

It can be written as a sum of positive squares in 2 ways, for example, as 79941481 + 3182656 = 8941^2 + 1784^2 .

It is a cyclic number.

It is not a de Polignac number, because 83124137 - 2⁶ = 83124073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83124157) 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, 41564 + ... + 43517.

It is an arithmetic number, because the mean of its divisors is an integer number (20802549).

Almost surely, 2^83124137 is an apocalyptic number.

It is an amenable number.

83124137 is a deficient number, since it is larger than the sum of its proper divisors (86059).

83124137 is an equidigital number, since it uses as much as digits as its factorization.

83124137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86058.

The product of its digits is 4032, while the sum is 29.

The square root of 83124137 is about 9117.2439366291. The cubic root of 83124137 is about 436.4244264359.

The spelling of 83124137 in words is "eighty-three million, one hundred twenty-four thousand, one hundred thirty-seven".