1146891 has 8 divisors (see below), whose sum is σ = 1534464. Its totient is φ = 761960.

The previous prime is 1146881. The next prime is 1146911. The reversal of 1146891 is 1986411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1146891 - 2⁷ = 1146763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1146841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 850 + ... + 1736.

It is an arithmetic number, because the mean of its divisors is an integer number (191808).

2^1146891 is an apocalyptic number.

1146891 is a deficient number, since it is larger than the sum of its proper divisors (387573).

1146891 is an equidigital number, since it uses as much as digits as its factorization.

1146891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321.

The product of its digits is 1728, while the sum is 30.

The square root of 1146891 is about 1070.9299696992. The cubic root of 1146891 is about 104.6744565765.

The spelling of 1146891 in words is "one million, one hundred forty-six thousand, eight hundred ninety-one".