1002002124 has 12 divisors (see below), whose sum is σ = 2338004984. Its totient is φ = 334000704.

The previous prime is 1002002123. The next prime is 1002002173. The reversal of 1002002124 is 4212002001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1002002124² = 2008016513001022752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 83500177 = 1002002124 / (1 + 0 + 0 + 2 + 0 + 0 + 2 + 1 + 2 + 4).

It is not an unprimeable number, because it can be changed into a prime (1002002123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41750077 + ... + 41750100.

Almost surely, 2^1002002124 is an apocalyptic number.

It is an amenable number.

1002002124 is an abundant number, since it is smaller than the sum of its proper divisors (1336002860).

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

1002002124 is a wasteful number, since it uses less digits than its factorization.

1002002124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83500184 (or 83500182 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1002002124 is about 31654.4171325267. The cubic root of 1002002124 is about 1000.6669297725. Note that the first 3 decimals are identical.

Adding to 1002002124 its reverse (4212002001), we get a palindrome (5214004125).

The spelling of 1002002124 in words is "one billion, two million, two thousand, one hundred twenty-four".