1146641 has 4 divisors (see below), whose sum is σ = 1148784. Its totient is φ = 1144500.

The previous prime is 1146581. The next prime is 1146661. The reversal of 1146641 is 1466411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1146641 - 2¹⁴ = 1130257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1146661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506 + ... + 1596.

It is an arithmetic number, because the mean of its divisors is an integer number (287196).

2^1146641 is an apocalyptic number.

It is an amenable number.

1146641 is a deficient number, since it is larger than the sum of its proper divisors (2143).

1146641 is a wasteful number, since it uses less digits than its factorization.

1146641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142.

The product of its digits is 576, while the sum is 23.

The square root of 1146641 is about 1070.8132423537. The cubic root of 1146641 is about 104.6668503565. Note that the first 3 decimals are identical.

The spelling of 1146641 in words is "one million, one hundred forty-six thousand, six hundred forty-one".