124145126 has 48 divisors (see below), whose sum is σ = 231971760. Its totient is φ = 49533120.

The previous prime is 124145123. The next prime is 124145129. The reversal of 124145126 is 621541421.

124145126 = 845² + 846² + ... + 991².

It is an interprime number because it is at equal distance from previous prime (124145123) and next prime (124145129).

It is a junction number, because it is equal to n+sod(n) for n = 124145095 and 124145104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124145123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113036 + ... + 114128.

It is an arithmetic number, because the mean of its divisors is an integer number (4832745).

Almost surely, 2^124145126 is an apocalyptic number.

124145126 is a deficient number, since it is larger than the sum of its proper divisors (107826634).

124145126 is a wasteful number, since it uses less digits than its factorization.

124145126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189 (or 1182 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 124145126 is about 11142.0431699038. The cubic root of 124145126 is about 498.8575596482.

Adding to 124145126 its reverse (621541421), we get a palindrome (745686547).

The spelling of 124145126 in words is "one hundred twenty-four million, one hundred forty-five thousand, one hundred twenty-six".