109201399 has 2 divisors, whose sum is σ = 109201400. Its totient is φ = 109201398.

The previous prime is 109201373. The next prime is 109201403. The reversal of 109201399 is 993102901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109201399 - 2¹⁷ = 109070327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109201199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54600699 + 54600700.

It is an arithmetic number, because the mean of its divisors is an integer number (54600700).

Almost surely, 2^109201399 is an apocalyptic number.

109201399 is a deficient number, since it is larger than the sum of its proper divisors (1).

109201399 is an equidigital number, since it uses as much as digits as its factorization.

109201399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 109201399 is about 10449.9473204414. The cubic root of 109201399 is about 477.9796432219.

The spelling of 109201399 in words is "one hundred nine million, two hundred one thousand, three hundred ninety-nine".