1001000124 has 18 divisors (see below), whose sum is σ = 2530305960. Its totient is φ = 333666696.

The previous prime is 1001000113. The next prime is 1001000131. The reversal of 1001000124 is 4210001001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13902744 + ... + 13902815.

Almost surely, 2^1001000124 is an apocalyptic number.

It is an amenable number.

1001000124 is an abundant number, since it is smaller than the sum of its proper divisors (1529305836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001000124 is a wasteful number, since it uses less digits than its factorization.

1001000124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27805569 (or 27805564 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1001000124 is about 31638.5859987453. The cubic root of 1001000124 is about 1000.3332635897. Note that the first 3 decimals are identical.

Adding to 1001000124 its reverse (4210001001), we get a palindrome (5211001125).

The spelling of 1001000124 in words is "one billion, one million, one hundred twenty-four", and thus it is an aban number.