1260629 has 2 divisors, whose sum is σ = 1260630. Its totient is φ = 1260628.

The previous prime is 1260599. The next prime is 1260641. The reversal of 1260629 is 9260621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1214404 + 46225 = 1102^2 + 215^2 .

It is an emirp because it is prime and its reverse (9260621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1260629 - 2¹² = 1256533 is a prime.

It is equal to p₉₇₂₂₆ and since 1260629 and 97226 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 1260598 and 1260607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1260829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630314 + 630315.

It is an arithmetic number, because the mean of its divisors is an integer number (630315).

2^1260629 is an apocalyptic number.

It is an amenable number.

1260629 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260629 is an equidigital number, since it uses as much as digits as its factorization.

1260629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1260629 is about 1122.7773599427. Note that the first 3 decimals coincide. The cubic root of 1260629 is about 108.0261996337.

The spelling of 1260629 in words is "one million, two hundred sixty thousand, six hundred twenty-nine".