1146642 has 32 divisors (see below), whose sum is σ = 2737152. Its totient is φ = 313104.

The previous prime is 1146581. The next prime is 1146661. The reversal of 1146642 is 2466411.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 373 + ... + 1559.

It is an arithmetic number, because the mean of its divisors is an integer number (85536).

2^1146642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1146642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1368576).

1146642 is an abundant number, since it is smaller than the sum of its proper divisors (1590510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1146642 is a wasteful number, since it uses less digits than its factorization.

1146642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222.

The product of its digits is 1152, while the sum is 24.

The square root of 1146642 is about 1070.8137092884. The cubic root of 1146642 is about 104.6668807835. Note that the first 3 decimals are identical.

The spelling of 1146642 in words is "one million, one hundred forty-six thousand, six hundred forty-two".