1260169 has 2 divisors, whose sum is σ = 1260170. Its totient is φ = 1260168.

The previous prime is 1260167. The next prime is 1260191. The reversal of 1260169 is 9610621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1177225 + 82944 = 1085^2 + 288^2 .

It is a cyclic number.

It is not a de Polignac number, because 1260169 - 2¹ = 1260167 is a prime.

It is a super-2 number, since 2×1260169² = 3176051817122, which contains 22 as substring.

Together with 1260167, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1260163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630084 + 630085.

It is an arithmetic number, because the mean of its divisors is an integer number (630085).

2^1260169 is an apocalyptic number.

It is an amenable number.

1260169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260169 is an equidigital number, since it uses as much as digits as its factorization.

1260169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1260169 is about 1122.5724920913. The cubic root of 1260169 is about 108.0130585490.

Subtracting from 1260169 its product of nonzero digits (648), we obtain a palindrome (1259521).

It can be divided in two parts, 126016 and 9, that added together give a square (126025 = 355²).

The spelling of 1260169 in words is "one million, two hundred sixty thousand, one hundred sixty-nine".