1270001 has 2 divisors, whose sum is σ = 1270002. Its totient is φ = 1270000.

The previous prime is 1269971. The next prime is 1270013. The reversal of 1270001 is 1000721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1157776 + 112225 = 1076^2 + 335^2 .

It is an emirp because it is prime and its reverse (1000721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1270001 - 2⁶ = 1269937 is a prime.

It is a super-2 number, since 2×1270001² = 3225805080002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1270051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635000 + 635001.

It is an arithmetic number, because the mean of its divisors is an integer number (635001).

2^1270001 is an apocalyptic number.

It is an amenable number.

1270001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1270001 is an equidigital number, since it uses as much as digits as its factorization.

1270001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14, while the sum is 11.

The square root of 1270001 is about 1126.9432106366. The cubic root of 1270001 is about 108.2932417066.

Adding to 1270001 its reverse (1000721), we get a palindrome (2270722).

The spelling of 1270001 in words is "one million, two hundred seventy thousand, one".