107187971 has 12 divisors (see below), whose sum is σ = 118081656. Its totient is φ = 97225920.

The previous prime is 107187959. The next prime is 107188013. The reversal of 107187971 is 179781701.

It is a de Polignac number, because none of the positive numbers 2^k-107187971 is a prime.

It is a super-2 number, since 2×107187971² = 22978522254193682, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107187901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81995 + ... + 83291.

It is an arithmetic number, because the mean of its divisors is an integer number (9840138).

Almost surely, 2^107187971 is an apocalyptic number.

107187971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

107187971 is a deficient number, since it is larger than the sum of its proper divisors (10893685).

107187971 is a wasteful number, since it uses less digits than its factorization.

107187971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002 (or 1991 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 41.

The square root of 107187971 is about 10353.1623671224. The cubic root of 107187971 is about 475.0237786803.

The spelling of 107187971 in words is "one hundred seven million, one hundred eighty-seven thousand, nine hundred seventy-one".