124700161 has 4 divisors (see below), whose sum is σ = 124747012. Its totient is φ = 124653312.

The previous prime is 124700153. The next prime is 124700201. The reversal of 124700161 is 161007421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161007421 = 1543 ⋅104347.

It can be written as a sum of positive squares in 2 ways, for example, as 75082225 + 49617936 = 8665^2 + 7044^2 .

It is a cyclic number.

It is not a de Polignac number, because 124700161 - 2³ = 124700153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124700111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19176 + ... + 24841.

It is an arithmetic number, because the mean of its divisors is an integer number (31186753).

Almost surely, 2^124700161 is an apocalyptic number.

It is an amenable number.

124700161 is a deficient number, since it is larger than the sum of its proper divisors (46851).

124700161 is an equidigital number, since it uses as much as digits as its factorization.

124700161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46850.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 124700161 is about 11166.9226289072. The cubic root of 124700161 is about 499.5998945834.

Adding to 124700161 its reverse (161007421), we get a palindrome (285707582).

The spelling of 124700161 in words is "one hundred twenty-four million, seven hundred thousand, one hundred sixty-one".