1099270 has 16 divisors (see below), whose sum is σ = 2032848. Its totient is φ = 427680.

The previous prime is 1099261. The next prime is 1099279. The reversal of 1099270 is 729901.

It is an interprime number because it is at equal distance from previous prime (1099261) and next prime (1099279).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1116 + ... + 1855.

It is an arithmetic number, because the mean of its divisors is an integer number (127053).

2^1099270 is an apocalyptic number.

1099270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1099270 is a deficient number, since it is larger than the sum of its proper divisors (933578).

1099270 is a wasteful number, since it uses less digits than its factorization.

1099270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 1099270 is about 1048.4607765672. The cubic root of 1099270 is about 103.2051712049.

It can be divided in two parts, 1099 and 270, that added together give a square (1369 = 37²).

The spelling of 1099270 in words is "one million, ninety-nine thousand, two hundred seventy".