1148197 has 12 divisors (see below), whose sum is σ = 1270980. Its totient is φ = 1035776.

The previous prime is 1148177. The next prime is 1148219. The reversal of 1148197 is 7918411.

It can be written as a sum of positive squares in 6 ways, for example, as 136161 + 1012036 = 369^2 + 1006^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1148197 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 (1148167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8313 + ... + 8449.

It is an arithmetic number, because the mean of its divisors is an integer number (105915).

2^1148197 is an apocalyptic number.

1148197 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1148197 is a deficient number, since it is larger than the sum of its proper divisors (122783).

1148197 is a wasteful number, since it uses less digits than its factorization.

1148197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 183 counting only the distinct ones).

The product of its digits is 2016, while the sum is 31.

The square root of 1148197 is about 1071.5395466337. The cubic root of 1148197 is about 104.7141735107.

The spelling of 1148197 in words is "one million, one hundred forty-eight thousand, one hundred ninety-seven".