9142197 has 4 divisors (see below), whose sum is σ = 12189600. Its totient is φ = 6094796.

The previous prime is 9142171. The next prime is 9142207. The reversal of 9142197 is 7912419.

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 9142197 - 2⁷ = 9142069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9142297) 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, 1523697 + ... + 1523702.

It is an arithmetic number, because the mean of its divisors is an integer number (3047400).

Almost surely, 2^9142197 is an apocalyptic number.

It is an amenable number.

9142197 is a deficient number, since it is larger than the sum of its proper divisors (3047403).

9142197 is a wasteful number, since it uses less digits than its factorization.

9142197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047402.

The product of its digits is 4536, while the sum is 33.

The square root of 9142197 is about 3023.6066212389. The cubic root of 9142197 is about 209.0981506743.

It can be divided in two parts, 9142 and 197, that added together give a palindrome (9339).

The spelling of 9142197 in words is "nine million, one hundred forty-two thousand, one hundred ninety-seven".