106187197 has 4 divisors (see below), whose sum is σ = 107987040. Its totient is φ = 104387356.

The previous prime is 106187189. The next prime is 106187231. The reversal of 106187197 is 791781601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 106187197 - 2³ = 106187189 is a prime.

It is a super-2 number, since 2×106187197² = 22551441613433618, 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 (106187897) 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, 899833 + ... + 899950.

It is an arithmetic number, because the mean of its divisors is an integer number (26996760).

Almost surely, 2^106187197 is an apocalyptic number.

It is an amenable number.

106187197 is a deficient number, since it is larger than the sum of its proper divisors (1799843).

106187197 is an equidigital number, since it uses as much as digits as its factorization.

106187197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799842.

The product of its (nonzero) digits is 21168, while the sum is 40.

The square root of 106187197 is about 10304.7172207684. The cubic root of 106187197 is about 473.5407805342.

The spelling of 106187197 in words is "one hundred six million, one hundred eighty-seven thousand, one hundred ninety-seven".