1097199375 has 80 divisors (see below), whose sum is σ = 1903565664. Its totient is φ = 561600000.

The previous prime is 1097199373. The next prime is 1097199391. The reversal of 1097199375 is 5739917901.

It is a Cunningham number, because it is equal to 182⁴-1.

It is not a de Polignac number, because 1097199375 - 2¹ = 1097199373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097199373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6061785 + ... + 6061965.

Almost surely, 2^1097199375 is an apocalyptic number.

1097199375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1097199375 is a deficient number, since it is larger than the sum of its proper divisors (806366289).

1097199375 is an equidigital number, since it uses as much as digits as its factorization.

1097199375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 535815, while the sum is 51.

The square root of 1097199375 is about 33123.9999849052. Note that the first 4 decimals coincide. The cubic root of 1097199375 is about 1031.4033013603.

The spelling of 1097199375 in words is "one billion, ninety-seven million, one hundred ninety-nine thousand, three hundred seventy-five".