118287401 has 2 divisors, whose sum is σ = 118287402. Its totient is φ = 118287400.

The previous prime is 118287371. The next prime is 118287437. The reversal of 118287401 is 104782811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118287376 + 25 = 10876^2 + 5^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118287401 is a prime.

It is not a weakly prime, because it can be changed into another prime (118287461) 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 as a sum of consecutive naturals, namely, 59143700 + 59143701.

It is an arithmetic number, because the mean of its divisors is an integer number (59143701).

Almost surely, 2^118287401 is an apocalyptic number.

It is an amenable number.

118287401 is a deficient number, since it is larger than the sum of its proper divisors (1).

118287401 is an equidigital number, since it uses as much as digits as its factorization.

118287401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 32.

The square root of 118287401 is about 10876.0011493195. The cubic root of 118287401 is about 490.8847004665.

The spelling of 118287401 in words is "one hundred eighteen million, two hundred eighty-seven thousand, four hundred one".