100500049 has 16 divisors (see below), whose sum is σ = 110657232. Its totient is φ = 90713088.

The previous prime is 100500019. The next prime is 100500121. The reversal of 100500049 is 940005001.

It can be written as a sum of positive squares in 8 ways, for example, as 14010049 + 86490000 = 3743^2 + 9300^2 .

It is a cyclic number.

It is not a de Polignac number, because 100500049 - 2¹⁷ = 100368977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100499999 and 100500035.

It is not an unprimeable number, because it can be changed into a prime (100500019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129627 + ... + 130399.

It is an arithmetic number, because the mean of its divisors is an integer number (6916077).

Almost surely, 2^100500049 is an apocalyptic number.

It is an amenable number.

100500049 is a deficient number, since it is larger than the sum of its proper divisors (10157183).

100500049 is a wasteful number, since it uses less digits than its factorization.

100500049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 100500049 is about 10024.9712717793. The cubic root of 100500049 is about 464.9312713005.

The spelling of 100500049 in words is "one hundred million, five hundred thousand, forty-nine".