127317401 has 2 divisors, whose sum is σ = 127317402. Its totient is φ = 127317400.

The previous prime is 127317331. The next prime is 127317419. The reversal of 127317401 is 104713721.

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., 118287376 + 9030025 = 10876^2 + 3005^2 .

It is a cyclic number.

It is not a de Polignac number, because 127317401 - 2¹⁰ = 127316377 is a prime.

It is equal to p_7234433 and since 127317401 and 7234433 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (127316401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63658700 + 63658701.

It is an arithmetic number, because the mean of its divisors is an integer number (63658701).

Almost surely, 2^127317401 is an apocalyptic number.

It is an amenable number.

127317401 is a deficient number, since it is larger than the sum of its proper divisors (1).

127317401 is an equidigital number, since it uses as much as digits as its factorization.

127317401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 127317401 is about 11283.5012739841. The cubic root of 127317401 is about 503.0709676990.

The spelling of 127317401 in words is "one hundred twenty-seven million, three hundred seventeen thousand, four hundred one".