180124897 has 2 divisors, whose sum is σ = 180124898. Its totient is φ = 180124896.

The previous prime is 180124873. The next prime is 180124913. The reversal of 180124897 is 798421081.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127938721 + 52186176 = 11311^2 + 7224^2 .

It is an emirp because it is prime and its reverse (798421081) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-180124897 is a prime.

It is not a weakly prime, because it can be changed into another prime (180124837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90062448 + 90062449.

It is an arithmetic number, because the mean of its divisors is an integer number (90062449).

Almost surely, 2^180124897 is an apocalyptic number.

It is an amenable number.

180124897 is a deficient number, since it is larger than the sum of its proper divisors (1).

180124897 is an equidigital number, since it uses as much as digits as its factorization.

180124897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 180124897 is about 13421.0616942178. The cubic root of 180124897 is about 564.7521788877.

The spelling of 180124897 in words is "one hundred eighty million, one hundred twenty-four thousand, eight hundred ninety-seven".