1150197 has 4 divisors (see below), whose sum is σ = 1533600. Its totient is φ = 766796.

The previous prime is 1150187. The next prime is 1150199. The reversal of 1150197 is 7910511.

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 1150197 - 2¹⁶ = 1084661 is a prime.

It is a D-number.

1150197 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191697 + ... + 191702.

It is an arithmetic number, because the mean of its divisors is an integer number (383400).

2^1150197 is an apocalyptic number.

It is an amenable number.

1150197 is a deficient number, since it is larger than the sum of its proper divisors (383403).

1150197 is an equidigital number, since it uses as much as digits as its factorization.

1150197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383402.

The product of its (nonzero) digits is 315, while the sum is 24.

The square root of 1150197 is about 1072.4723772667. The cubic root of 1150197 is about 104.7749374348.

The spelling of 1150197 in words is "one million, one hundred fifty thousand, one hundred ninety-seven".