124260161 has 4 divisors (see below), whose sum is σ = 124296900. Its totient is φ = 124223424.

The previous prime is 124260131. The next prime is 124260173. The reversal of 124260161 is 161062421.

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

It can be written as a sum of positive squares in 2 ways, for example, as 76387600 + 47872561 = 8740^2 + 6919^2 .

It is a cyclic number.

It is not a de Polignac number, because 124260161 - 2²² = 120065857 is a prime.

It is a super-2 number, since 2×124260161² = 30881175223491842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124260131) 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, 12716 + ... + 20253.

It is an arithmetic number, because the mean of its divisors is an integer number (31074225).

Almost surely, 2^124260161 is an apocalyptic number.

It is an amenable number.

124260161 is a deficient number, since it is larger than the sum of its proper divisors (36739).

124260161 is an equidigital number, since it uses as much as digits as its factorization.

124260161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36738.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 124260161 is about 11147.2041786270. The cubic root of 124260161 is about 499.0115954002.

It can be divided in two parts, 124260 and 161, that added together give a palindrome (124421).

The spelling of 124260161 in words is "one hundred twenty-four million, two hundred sixty thousand, one hundred sixty-one".