118271401 has 4 divisors (see below), whose sum is σ = 118788100. Its totient is φ = 117754704.

The previous prime is 118271399. The next prime is 118271407. The reversal of 118271401 is 104172811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110565225 + 7706176 = 10515^2 + 2776^2 .

It is a cyclic number.

It is not a de Polignac number, because 118271401 - 2¹ = 118271399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118271407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258006 + ... + 258463.

It is an arithmetic number, because the mean of its divisors is an integer number (29697025).

Almost surely, 2^118271401 is an apocalyptic number.

It is an amenable number.

118271401 is a deficient number, since it is larger than the sum of its proper divisors (516699).

118271401 is an equidigital number, since it uses as much as digits as its factorization.

118271401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516698.

The product of its (nonzero) digits is 448, while the sum is 25.

The square root of 118271401 is about 10875.2655599760. The cubic root of 118271401 is about 490.8625664965.

The spelling of 118271401 in words is "one hundred eighteen million, two hundred seventy-one thousand, four hundred one".