1148739 has 16 divisors (see below), whose sum is σ = 1605120. Its totient is φ = 730080.

The previous prime is 1148737. The next prime is 1148747. The reversal of 1148739 is 9378411.

It is not a de Polignac number, because 1148739 - 2¹ = 1148737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1148731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8704 + ... + 8834.

It is an arithmetic number, because the mean of its divisors is an integer number (100320).

2^1148739 is an apocalyptic number.

1148739 is a deficient number, since it is larger than the sum of its proper divisors (456381).

1148739 is a wasteful number, since it uses less digits than its factorization.

1148739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250.

The product of its digits is 6048, while the sum is 33.

The square root of 1148739 is about 1071.7924239329. The cubic root of 1148739 is about 104.7306474996.

The spelling of 1148739 in words is "one million, one hundred forty-eight thousand, seven hundred thirty-nine".