100011025 has 12 divisors (see below), whose sum is σ = 126048604. Its totient is φ = 78696000.

The previous prime is 100010993. The next prime is 100011029. The reversal of 100011025 is 520110001.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 47114496 + 52896529 = 6864^2 + 7273^2 .

It is not a de Polignac number, because 100011025 - 2⁵ = 100010993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100011029) 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, 31266 + ... + 34315.

Almost surely, 2^100011025 is an apocalyptic number.

It is an amenable number.

100011025 is a deficient number, since it is larger than the sum of its proper divisors (26037579).

100011025 is an equidigital number, since it uses as much as digits as its factorization.

100011025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65652 (or 65647 counting only the distinct ones).

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

The square root of 100011025 is about 10000.5512348070. The cubic root of 100011025 is about 464.1759405734.

Adding to 100011025 its reverse (520110001), we get a palindrome (620121026).

It can be divided in two parts, 10001 and 1025, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 100011025 in words is "one hundred million, eleven thousand, twenty-five".