256003124 has 24 divisors (see below), whose sum is σ = 490650720. Its totient is φ = 116151264.

The previous prime is 256003117. The next prime is 256003127. The reversal of 256003124 is 421300652.

It is a super-3 number, since 3×256003124³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 256003124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256003127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38654 + ... + 44789.

It is an arithmetic number, because the mean of its divisors is an integer number (20443780).

Almost surely, 2^256003124 is an apocalyptic number.

It is an amenable number.

256003124 is a deficient number, since it is larger than the sum of its proper divisors (234647596).

256003124 is a wasteful number, since it uses less digits than its factorization.

256003124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83519 (or 83517 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 256003124 is about 16000.0976247022. The cubic root of 256003124 is about 634.9630036106.

Adding to 256003124 its reverse (421300652), we get a palindrome (677303776).

The spelling of 256003124 in words is "two hundred fifty-six million, three thousand, one hundred twenty-four".