1005120124 has 6 divisors (see below), whose sum is σ = 1758960224. Its totient is φ = 502560060.

The previous prime is 1005120101. The next prime is 1005120157. The reversal of 1005120124 is 4210215001.

It is a junction number, because it is equal to n+sod(n) for n = 1005120098 and 1005120107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125640012 + ... + 125640019.

Almost surely, 2^1005120124 is an apocalyptic number.

It is an amenable number.

1005120124 is a deficient number, since it is larger than the sum of its proper divisors (753840100).

1005120124 is a wasteful number, since it uses less digits than its factorization.

1005120124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251280035 (or 251280033 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1005120124 is about 31703.6295083071. The cubic root of 1005120124 is about 1001.7038034053.

Adding to 1005120124 its reverse (4210215001), we get a palindrome (5215335125).

The spelling of 1005120124 in words is "one billion, five million, one hundred twenty thousand, one hundred twenty-four".