1260553 has 16 divisors (see below), whose sum is σ = 1537024. Its totient is φ = 1010880.

The previous prime is 1260551. The next prime is 1260569. The reversal of 1260553 is 3550621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1260553 - 2¹ = 1260551 is a prime.

It is a Duffinian number.

1260553 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1260551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7951 + ... + 8107.

It is an arithmetic number, because the mean of its divisors is an integer number (96064).

2^1260553 is an apocalyptic number.

It is an amenable number.

1260553 is a deficient number, since it is larger than the sum of its proper divisors (276471).

1260553 is a wasteful number, since it uses less digits than its factorization.

1260553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1260553 is about 1122.7435147887. The cubic root of 1260553 is about 108.0240287184.

The spelling of 1260553 in words is "one million, two hundred sixty thousand, five hundred fifty-three".