1260601 has 8 divisors (see below), whose sum is σ = 1381320. Its totient is φ = 1145088.

The previous prime is 1260599. The next prime is 1260629. The reversal of 1260601 is 1060621.

It can be written as a sum of positive squares in 4 ways, for example, as 308025 + 952576 = 555^2 + 976^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1260601 - 2¹ = 1260599 is a prime.

It is a super-2 number, since 2×1260601² = 3178229762402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1260641) 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 in 7 ways as a sum of consecutive naturals, for example, 786 + ... + 1771.

It is an arithmetic number, because the mean of its divisors is an integer number (172665).

2^1260601 is an apocalyptic number.

It is an amenable number.

1260601 is a deficient number, since it is larger than the sum of its proper divisors (120719).

1260601 is a wasteful number, since it uses less digits than its factorization.

1260601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1260601 is about 1122.7648907942. The cubic root of 1260601 is about 108.0253998329.

The spelling of 1260601 in words is "one million, two hundred sixty thousand, six hundred one".