100761025 has 6 divisors (see below), whose sum is σ = 124943702. Its totient is φ = 80608800.

The previous prime is 100761019. The next prime is 100761029. The reversal of 100761025 is 520167001.

It can be written as a sum of positive squares in 3 ways, for example, as 1718721 + 99042304 = 1311^2 + 9952^2 .

It is a de Polignac number, because none of the positive numbers 2^k-100761025 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100760987 and 100761005.

It is not an unprimeable number, because it can be changed into a prime (100761029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2015196 + ... + 2015245.

Almost surely, 2^100761025 is an apocalyptic number.

It is an amenable number.

100761025 is a deficient number, since it is larger than the sum of its proper divisors (24182677).

100761025 is an equidigital number, since it uses as much as digits as its factorization.

100761025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4030451 (or 4030446 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 100761025 is about 10037.9791292869. The cubic root of 100761025 is about 465.3333640642. Note that the first 4 decimals are identical.

The spelling of 100761025 in words is "one hundred million, seven hundred sixty-one thousand, twenty-five".