1097199 has 8 divisors (see below), whose sum is σ = 1625520. Its totient is φ = 731448.

The previous prime is 1097189. The next prime is 1097203. The reversal of 1097199 is 9917901.

It is not a de Polignac number, because 1097199 - 2¹⁵ = 1064431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097179) 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, 20292 + ... + 20345.

It is an arithmetic number, because the mean of its divisors is an integer number (203190).

2^1097199 is an apocalyptic number.

1097199 is a deficient number, since it is larger than the sum of its proper divisors (528321).

1097199 is an equidigital number, since it uses as much as digits as its factorization.

1097199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40646 (or 40640 counting only the distinct ones).

The product of its (nonzero) digits is 5103, while the sum is 36.

The square root of 1097199 is about 1047.4726726746. The cubic root of 1097199 is about 103.1403183856.

It can be divided in two parts, 1097 and 199, that added together give a 4-th power (1296 = 6⁴).

The spelling of 1097199 in words is "one million, ninety-seven thousand, one hundred ninety-nine".