1148755 has 4 divisors (see below), whose sum is σ = 1378512. Its totient is φ = 919000.

The previous prime is 1148753. The next prime is 1148761. The reversal of 1148755 is 5578411.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1148755 - 2¹ = 1148753 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

1148755 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1148753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114871 + ... + 114880.

It is an arithmetic number, because the mean of its divisors is an integer number (344628).

2^1148755 is an apocalyptic number.

1148755 is a deficient number, since it is larger than the sum of its proper divisors (229757).

1148755 is an equidigital number, since it uses as much as digits as its factorization.

1148755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229756.

The product of its digits is 5600, while the sum is 31.

The square root of 1148755 is about 1071.7998880388. The cubic root of 1148755 is about 104.7311337379.

The spelling of 1148755 in words is "one million, one hundred forty-eight thousand, seven hundred fifty-five".