1146931 has 2 divisors, whose sum is σ = 1146932. Its totient is φ = 1146930.

The previous prime is 1146917. The next prime is 1146947. The reversal of 1146931 is 1396411.

It is a weak prime.

It is an emirp because it is prime and its reverse (1396411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1146931 - 2⁹ = 1146419 is a prime.

It is a super-2 number, since 2×1146931² = 2630901437522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1146896 and 1146905.

It is not a weakly prime, because it can be changed into another prime (1146911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573465 + 573466.

It is an arithmetic number, because the mean of its divisors is an integer number (573466).

2^1146931 is an apocalyptic number.

1146931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146931 is an equidigital number, since it uses as much as digits as its factorization.

1146931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 25.

The square root of 1146931 is about 1070.9486448939. The cubic root of 1146931 is about 104.6756734691.

The spelling of 1146931 in words is "one million, one hundred forty-six thousand, nine hundred thirty-one".