1125653 has 2 divisors, whose sum is σ = 1125654. Its totient is φ = 1125652.

The previous prime is 1125647. The next prime is 1125679. The reversal of 1125653 is 3565211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1067089 + 58564 = 1033^2 + 242^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125653 - 2¹² = 1121557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562826 + 562827.

It is an arithmetic number, because the mean of its divisors is an integer number (562827).

2^1125653 is an apocalyptic number.

It is an amenable number.

1125653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125653 is an equidigital number, since it uses as much as digits as its factorization.

1125653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900, while the sum is 23.

The square root of 1125653 is about 1060.9679542757. The cubic root of 1125653 is about 104.0243101454.

The spelling of 1125653 in words is "one million, one hundred twenty-five thousand, six hundred fifty-three".