99751105 has 8 divisors (see below), whose sum is σ = 120199464. Its totient is φ = 79468800.

The previous prime is 99751103. The next prime is 99751139. The reversal of 99751105 is 50115799.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5253264 + 94497841 = 2292^2 + 9721^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99751105 - 2¹ = 99751103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99751103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40186 + ... + 42595.

It is an arithmetic number, because the mean of its divisors is an integer number (15024933).

Almost surely, 2^99751105 is an apocalyptic number.

It is an amenable number.

99751105 is a deficient number, since it is larger than the sum of its proper divisors (20448359).

99751105 is a wasteful number, since it uses less digits than its factorization.

99751105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83027.

The product of its (nonzero) digits is 14175, while the sum is 37.

The square root of 99751105 is about 9987.5474967582. The cubic root of 99751105 is about 463.7734740118.

It can be divided in two parts, 99751 and 105, that added together give a square (99856 = 316²).

The spelling of 99751105 in words is "ninety-nine million, seven hundred fifty-one thousand, one hundred five".