124231145 has 4 divisors (see below), whose sum is σ = 149077380. Its totient is φ = 99384912.

The previous prime is 124231109. The next prime is 124231153. The reversal of 124231145 is 541132421.

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 22886656 + 101344489 = 4784^2 + 10067^2 .

It is a cyclic number.

It is not a de Polignac number, because 124231145 - 2²⁰ = 123182569 is a prime.

It is a super-2 number, since 2×124231145² = 30866754776022050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124231145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12423110 + ... + 12423119.

It is an arithmetic number, because the mean of its divisors is an integer number (37269345).

Almost surely, 2^124231145 is an apocalyptic number.

It is an amenable number.

124231145 is a deficient number, since it is larger than the sum of its proper divisors (24846235).

124231145 is an equidigital number, since it uses as much as digits as its factorization.

124231145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24846234.

The product of its digits is 960, while the sum is 23.

The square root of 124231145 is about 11145.9026103766. The cubic root of 124231145 is about 498.9727509642.

Adding to 124231145 its reverse (541132421), we get a palindrome (665363566).

The spelling of 124231145 in words is "one hundred twenty-four million, two hundred thirty-one thousand, one hundred forty-five".