1148081 has 16 divisors (see below), whose sum is σ = 1339200. Its totient is φ = 974400.

The previous prime is 1148047. The next prime is 1148087. The reversal of 1148081 is 1808411.

It is a de Polignac number, because none of the positive numbers 2^k-1148081 is a prime.

It is a super-2 number, since 2×1148081² = 2636179965122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148087) 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, 18791 + ... + 18851.

It is an arithmetic number, because the mean of its divisors is an integer number (83700).

2^1148081 is an apocalyptic number.

1148081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1148081 is a deficient number, since it is larger than the sum of its proper divisors (191119).

1148081 is a wasteful number, since it uses less digits than its factorization.

1148081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160.

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 1148081 is about 1071.4854175396. The cubic root of 1148081 is about 104.7106470388.

The spelling of 1148081 in words is "one million, one hundred forty-eight thousand, eighty-one".