1281098 has 16 divisors (see below), whose sum is σ = 2365440. Its totient is φ = 506736.

The previous prime is 1281097. The next prime is 1281101. The reversal of 1281098 is 8901821.

It is a self number, because there is not a number n which added to its sum of digits gives 1281098.

It is not an unprimeable number, because it can be changed into a prime (1281097) 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, 3338 + ... + 3701.

It is an arithmetic number, because the mean of its divisors is an integer number (147840).

2^1281098 is an apocalyptic number.

1281098 is a deficient number, since it is larger than the sum of its proper divisors (1084342).

1281098 is a wasteful number, since it uses less digits than its factorization.

1281098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7061.

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 1281098 is about 1131.8559979079. The cubic root of 1281098 is about 108.6077419423.

The spelling of 1281098 in words is "one million, two hundred eighty-one thousand, ninety-eight".