107197505 has 4 divisors (see below), whose sum is σ = 128637012. Its totient is φ = 85758000.

The previous prime is 107197501. The next prime is 107197561. The reversal of 107197505 is 505791701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84805681 + 22391824 = 9209^2 + 4732^2 .

It is not a de Polignac number, because 107197505 - 2² = 107197501 is a prime.

It is a super-2 number, since 2×107197505² = 22982610156450050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107197501) 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, 10719746 + ... + 10719755.

It is an arithmetic number, because the mean of its divisors is an integer number (32159253).

Almost surely, 2^107197505 is an apocalyptic number.

It is an amenable number.

107197505 is a deficient number, since it is larger than the sum of its proper divisors (21439507).

107197505 is an equidigital number, since it uses as much as digits as its factorization.

107197505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21439506.

The product of its (nonzero) digits is 11025, while the sum is 35.

The square root of 107197505 is about 10353.6227959106. The cubic root of 107197505 is about 475.0378621712.

The spelling of 107197505 in words is "one hundred seven million, one hundred ninety-seven thousand, five hundred five".