1148744 has 8 divisors (see below), whose sum is σ = 2153910. Its totient is φ = 574368.

The previous prime is 1148737. The next prime is 1148747. The reversal of 1148744 is 4478411.

It can be written as a sum of positive squares in only one way, i.e., 1144900 + 3844 = 1070^2 + 62^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1148744² = 2639225555072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1148747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71789 + ... + 71804.

2^1148744 is an apocalyptic number.

It is an amenable number.

1148744 is a deficient number, since it is larger than the sum of its proper divisors (1005166).

1148744 is a wasteful number, since it uses less digits than its factorization.

1148744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143599 (or 143595 counting only the distinct ones).

The product of its digits is 3584, while the sum is 29.

The square root of 1148744 is about 1071.7947564716. The cubic root of 1148744 is about 104.7307994495.

The spelling of 1148744 in words is "one million, one hundred forty-eight thousand, seven hundred forty-four".