100260169 has 27 divisors (see below), whose sum is σ = 116148231. Its totient is φ = 86512320.

The previous prime is 100260113. The next prime is 100260217. The reversal of 100260169 is 961062001.

The square root of 100260169 is 10013.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 78057225 + 22202944 = 8835^2 + 4712^2 .

It is a de Polignac number, because none of the positive numbers 2^k-100260169 is a prime.

It is a super-2 number, since 2×100260169² = 20104202975817122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100260109) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3234184 + ... + 3234214.

Almost surely, 2^100260169 is an apocalyptic number.

100260169 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

100260169 is the 10013-rd square number.

100260169 is the 5007-th centered octagonal number.

It is an amenable number.

100260169 is a deficient number, since it is larger than the sum of its proper divisors (15888062).

100260169 is an equidigital number, since it uses as much as digits as its factorization.

100260169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The cubic root of 100260169 is about 464.5610672851.

Multiplying 100260169 by its sum of digits (25), we get a square (2506504225 = 50065²).

The spelling of 100260169 in words is "one hundred million, two hundred sixty thousand, one hundred sixty-nine".