106100261 has 4 divisors (see below), whose sum is σ = 106478124. Its totient is φ = 105722400.

The previous prime is 106100257. The next prime is 106100263. The reversal of 106100261 is 162001601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 162001601 = 313 ⋅517577.

It can be written as a sum of positive squares in 2 ways, for example, as 22944100 + 83156161 = 4790^2 + 9119^2 .

It is a cyclic number.

It is not a de Polignac number, because 106100261 - 2² = 106100257 is a prime.

It is a super-2 number, since 2×106100261² = 22514530768536242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106100263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188510 + ... + 189071.

It is an arithmetic number, because the mean of its divisors is an integer number (26619531).

Almost surely, 2^106100261 is an apocalyptic number.

It is an amenable number.

106100261 is a deficient number, since it is larger than the sum of its proper divisors (377863).

106100261 is an equidigital number, since it uses as much as digits as its factorization.

106100261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377862.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 106100261 is about 10300.4980947525. The cubic root of 106100261 is about 473.4115151666.

Adding to 106100261 its reverse (162001601), we get a palindrome (268101862).

The spelling of 106100261 in words is "one hundred six million, one hundred thousand, two hundred sixty-one".