1148931 has 16 divisors (see below), whose sum is σ = 1945600. Its totient is φ = 656424.

The previous prime is 1148921. The next prime is 1148933. The reversal of 1148931 is 1398411.

It is not a de Polignac number, because 1148931 - 2⁶ = 1148867 is a prime.

It is a super-2 number, since 2×1148931² = 2640084885522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

1148931 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1148895 and 1148904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148933) 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, 2851 + ... + 3228.

It is an arithmetic number, because the mean of its divisors is an integer number (121600).

2^1148931 is an apocalyptic number.

1148931 is a deficient number, since it is larger than the sum of its proper divisors (796669).

1148931 is an equidigital number, since it uses as much as digits as its factorization.

1148931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6095 (or 6089 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 1148931 is about 1071.8819897731. The cubic root of 1148931 is about 104.7364820608.

It can be divided in two parts, 114 and 8931, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 1148931 in words is "one million, one hundred forty-eight thousand, nine hundred thirty-one".