118199401 has 4 divisors (see below), whose sum is σ = 119347072. Its totient is φ = 117051732.

The previous prime is 118199383. The next prime is 118199413. The reversal of 118199401 is 104991811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104991811 = 397 ⋅264463.

It is a cyclic number.

It is not a de Polignac number, because 118199401 - 2²¹ = 116102249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118199441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573681 + ... + 573886.

It is an arithmetic number, because the mean of its divisors is an integer number (29836768).

Almost surely, 2^118199401 is an apocalyptic number.

It is an amenable number.

118199401 is a deficient number, since it is larger than the sum of its proper divisors (1147671).

118199401 is a wasteful number, since it uses less digits than its factorization.

118199401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147670.

The product of its (nonzero) digits is 2592, while the sum is 34.

The square root of 118199401 is about 10871.9547920326. The cubic root of 118199401 is about 490.7629389206.

The spelling of 118199401 in words is "one hundred eighteen million, one hundred ninety-nine thousand, four hundred one".