1285094 has 4 divisors (see below), whose sum is σ = 1927644. Its totient is φ = 642546.

The previous prime is 1285069. The next prime is 1285099. The reversal of 1285094 is 4905821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4905821 = 79 ⋅62099.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1285099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321272 + ... + 321275.

It is an arithmetic number, because the mean of its divisors is an integer number (481911).

2^1285094 is an apocalyptic number.

1285094 is a deficient number, since it is larger than the sum of its proper divisors (642550).

1285094 is an equidigital number, since it uses as much as digits as its factorization.

1285094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642549.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1285094 is about 1133.6198657398. The cubic root of 1285094 is about 108.7205478001.

The spelling of 1285094 in words is "one million, two hundred eighty-five thousand, ninety-four".