1148949 has 12 divisors (see below), whose sum is σ = 1747200. Its totient is φ = 725544.

The previous prime is 1148941. The next prime is 1148957. The reversal of 1148949 is 9498411.

It is an interprime number because it is at equal distance from previous prime (1148941) and next prime (1148957).

It is not a de Polignac number, because 1148949 - 2³ = 1148941 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3189 + ... + 3530.

It is an arithmetic number, because the mean of its divisors is an integer number (145600).

2^1148949 is an apocalyptic number.

1148949 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1148949 is a deficient number, since it is larger than the sum of its proper divisors (598251).

1148949 is a wasteful number, since it uses less digits than its factorization.

1148949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6744 (or 6741 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 1148949 is about 1071.8903861869. The cubic root of 1148949 is about 104.7370290176.

The spelling of 1148949 in words is "one million, one hundred forty-eight thousand, nine hundred forty-nine".