1148994 has 48 divisors (see below), whose sum is σ = 3107520. Its totient is φ = 298080.

The previous prime is 1148989. The next prime is 1148999. The reversal of 1148994 is 4998411.

It is an interprime number because it is at equal distance from previous prime (1148989) and next prime (1148999).

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

It is not an unprimeable number, because it can be changed into a prime (1148999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 972 + ... + 1800.

It is an arithmetic number, because the mean of its divisors is an integer number (64740).

2^1148994 is an apocalyptic number.

1148994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1148994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1553760).

1148994 is an abundant number, since it is smaller than the sum of its proper divisors (1958526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1148994 is a wasteful number, since it uses less digits than its factorization.

1148994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 852 counting only the distinct ones).

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

The square root of 1148994 is about 1071.9113769337. The cubic root of 1148994 is about 104.7383963846.

The spelling of 1148994 in words is "one million, one hundred forty-eight thousand, nine hundred ninety-four".