1292085 has 32 divisors (see below), whose sum is σ = 2436480. Its totient is φ = 647424.

The previous prime is 1292069. The next prime is 1292089. The reversal of 1292085 is 5802921.

It is not a de Polignac number, because 1292085 - 2⁴ = 1292069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1292089) 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 in 31 ways as a sum of consecutive naturals, for example, 2014 + ... + 2576.

It is an arithmetic number, because the mean of its divisors is an integer number (76140).

2^1292085 is an apocalyptic number.

1292085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1292085 is a deficient number, since it is larger than the sum of its proper divisors (1144395).

1292085 is a wasteful number, since it uses less digits than its factorization.

1292085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1292085 is about 1136.6991686458. The cubic root of 1292085 is about 108.9173404681.

The spelling of 1292085 in words is "one million, two hundred ninety-two thousand, eighty-five".