115205401 has 2 divisors, whose sum is σ = 115205402. Its totient is φ = 115205400.

The previous prime is 115205357. The next prime is 115205477. The reversal of 115205401 is 104502511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115025625 + 179776 = 10725^2 + 424^2 .

It is a cyclic number.

It is not a de Polignac number, because 115205401 - 2⁷ = 115205273 is a prime.

It is not a weakly prime, because it can be changed into another prime (115205801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57602700 + 57602701.

It is an arithmetic number, because the mean of its divisors is an integer number (57602701).

Almost surely, 2^115205401 is an apocalyptic number.

It is an amenable number.

115205401 is a deficient number, since it is larger than the sum of its proper divisors (1).

115205401 is an equidigital number, since it uses as much as digits as its factorization.

115205401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 115205401 is about 10733.3778932822. The cubic root of 115205401 is about 486.5837636874.

Adding to 115205401 its reverse (104502511), we get a palindrome (219707912).

The spelling of 115205401 in words is "one hundred fifteen million, two hundred five thousand, four hundred one".