1148331 has 4 divisors (see below), whose sum is σ = 1531112. Its totient is φ = 765552.

The previous prime is 1148327. The next prime is 1148339. The reversal of 1148331 is 1338411.

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

It is not a de Polignac number, because 1148331 - 2² = 1148327 is a prime.

It is a super-2 number, since 2×1148331² = 2637328171122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1148298 and 1148307.

It is not an unprimeable number, because it can be changed into a prime (1148339) 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, 191386 + ... + 191391.

It is an arithmetic number, because the mean of its divisors is an integer number (382778).

2^1148331 is an apocalyptic number.

1148331 is a deficient number, since it is larger than the sum of its proper divisors (382781).

1148331 is an equidigital number, since it uses as much as digits as its factorization.

1148331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382780.

The product of its digits is 288, while the sum is 21.

The square root of 1148331 is about 1071.6020716665. The cubic root of 1148331 is about 104.7182468980.

The spelling of 1148331 in words is "one million, one hundred forty-eight thousand, three hundred thirty-one".