1097199599 has 4 divisors (see below), whose sum is σ = 1097606736. Its totient is φ = 1096792464.

The previous prime is 1097199583. The next prime is 1097199611. The reversal of 1097199599 is 9959917901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1097199599 - 2⁴ = 1097199583 is a prime.

It is a super-3 number, since 3×1097199599³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097199529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199499 + ... + 204924.

It is an arithmetic number, because the mean of its divisors is an integer number (274401684).

Almost surely, 2^1097199599 is an apocalyptic number.

1097199599 is a deficient number, since it is larger than the sum of its proper divisors (407137).

1097199599 is an equidigital number, since it uses as much as digits as its factorization.

1097199599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407136.

The product of its (nonzero) digits is 2066715, while the sum is 59.

The square root of 1097199599 is about 33124.0033661392. The cubic root of 1097199599 is about 1031.4033715494.

The spelling of 1097199599 in words is "one billion, ninety-seven million, one hundred ninety-nine thousand, five hundred ninety-nine".