118272001 has 2 divisors, whose sum is σ = 118272002. Its totient is φ = 118272000.

The previous prime is 118271987. The next prime is 118272023. The reversal of 118272001 is 100272811.

It is an a-pointer prime, because the next prime (118272023) can be obtained adding 118272001 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117158976 + 1113025 = 10824^2 + 1055^2 .

It is a cyclic number.

It is not a de Polignac number, because 118272001 - 2¹⁷ = 118140929 is a prime.

It is a super-3 number, since 3×118272001³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (118272031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59136000 + 59136001.

It is an arithmetic number, because the mean of its divisors is an integer number (59136001).

Almost surely, 2^118272001 is an apocalyptic number.

It is an amenable number.

118272001 is a deficient number, since it is larger than the sum of its proper divisors (1).

118272001 is an equidigital number, since it uses as much as digits as its factorization.

118272001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 118272001 is about 10875.2931454743. The cubic root of 118272001 is about 490.8633965564.

The spelling of 118272001 in words is "one hundred eighteen million, two hundred seventy-two thousand, one".