100225761 has 16 divisors (see below), whose sum is σ = 144509184. Its totient is φ = 61547264.

The previous prime is 100225757. The next prime is 100225777. The reversal of 100225761 is 167522001.

It is a cyclic number.

It is not a de Polignac number, because 100225761 - 2² = 100225757 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100225781) 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, 18510 + ... + 23303.

It is an arithmetic number, because the mean of its divisors is an integer number (9031824).

Almost surely, 2^100225761 is an apocalyptic number.

It is an amenable number.

100225761 is a deficient number, since it is larger than the sum of its proper divisors (44283423).

100225761 is a wasteful number, since it uses less digits than its factorization.

100225761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41880.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 100225761 is about 10011.2816861778. The cubic root of 100225761 is about 464.5079174109.

Adding to 100225761 its reverse (167522001), we get a palindrome (267747762).

The spelling of 100225761 in words is "one hundred million, two hundred twenty-five thousand, seven hundred sixty-one".