100002051 has 12 divisors (see below), whose sum is σ = 144888120. Its totient is φ = 66464640.

The previous prime is 100002037. The next prime is 100002059. The reversal of 100002051 is 150200001.

It is a happy number.

It is not a de Polignac number, because 100002051 - 2⁶ = 100001987 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (100002059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13806 + ... + 19763.

It is an arithmetic number, because the mean of its divisors is an integer number (12074010).

Almost surely, 2^100002051 is an apocalyptic number.

100002051 is a deficient number, since it is larger than the sum of its proper divisors (44886069).

100002051 is a wasteful number, since it uses less digits than its factorization.

100002051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33906 (or 33903 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 100002051 is about 10000.1025494742. The cubic root of 100002051 is about 464.1620566391.

Adding to 100002051 its reverse (150200001), we get a palindrome (250202052).

The spelling of 100002051 in words is "one hundred million, two thousand, fifty-one".