1001112197 has 8 divisors (see below), whose sum is σ = 1024996896. Its totient is φ = 977254992.

The previous prime is 1001112181. The next prime is 1001112199. The reversal of 1001112197 is 7912111001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1001112197 - 2⁴ = 1001112181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001112199) 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, 79583 + ... + 91299.

It is an arithmetic number, because the mean of its divisors is an integer number (128124612).

Almost surely, 2^1001112197 is an apocalyptic number.

It is an amenable number.

1001112197 is a deficient number, since it is larger than the sum of its proper divisors (23884699).

1001112197 is a wasteful number, since it uses less digits than its factorization.

1001112197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13747.

The product of its (nonzero) digits is 126, while the sum is 23.

The square root of 1001112197 is about 31640.3570934337. The cubic root of 1001112197 is about 1000.3705949757.

Adding to 1001112197 its reverse (7912111001), we get a palindrome (8913223198).

The spelling of 1001112197 in words is "one billion, one million, one hundred twelve thousand, one hundred ninety-seven".