1148157 has 12 divisors (see below), whose sum is σ = 1669564. Its totient is φ = 760320.

The previous prime is 1148111. The next prime is 1148167. The reversal of 1148157 is 7518411.

It can be written as a sum of positive squares in 2 ways, for example, as 599076 + 549081 = 774^2 + 741^2 .

It is not a de Polignac number, because 1148157 - 2⁷ = 1148029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1148157.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1407 + ... + 2067.

2^1148157 is an apocalyptic number.

It is an amenable number.

1148157 is a deficient number, since it is larger than the sum of its proper divisors (521407).

1148157 is a wasteful number, since it uses less digits than its factorization.

1148157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860 (or 857 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 1148157 is about 1071.5208817377. The cubic root of 1148157 is about 104.7129575127.

The spelling of 1148157 in words is "one million, one hundred forty-eight thousand, one hundred fifty-seven".