124504161 has 4 divisors (see below), whose sum is σ = 166005552. Its totient is φ = 83002772.

The previous prime is 124504123. The next prime is 124504183. The reversal of 124504161 is 161405421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 124504161 - 2⁶ = 124504097 is a prime.

It is a super-2 number, since 2×124504161² = 31002572212627842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124504561) 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, 20750691 + ... + 20750696.

It is an arithmetic number, because the mean of its divisors is an integer number (41501388).

Almost surely, 2^124504161 is an apocalyptic number.

It is an amenable number.

124504161 is a deficient number, since it is larger than the sum of its proper divisors (41501391).

124504161 is an equidigital number, since it uses as much as digits as its factorization.

124504161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41501390.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 124504161 is about 11158.1432595213. The cubic root of 124504161 is about 499.3380052460.

Adding to 124504161 its reverse (161405421), we get a palindrome (285909582).

The spelling of 124504161 in words is "one hundred twenty-four million, five hundred four thousand, one hundred sixty-one".