1155053 has 2 divisors, whose sum is σ = 1155054. Its totient is φ = 1155052.

The previous prime is 1155019. The next prime is 1155061. The reversal of 1155053 is 3505511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 797449 + 357604 = 893^2 + 598^2 .

It is a cyclic number.

It is not a de Polignac number, because 1155053 - 2¹⁰ = 1154029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1155653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577526 + 577527.

It is an arithmetic number, because the mean of its divisors is an integer number (577527).

2^1155053 is an apocalyptic number.

It is an amenable number.

1155053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155053 is an equidigital number, since it uses as much as digits as its factorization.

1155053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 1155053 is about 1074.7339205589. The cubic root of 1155053 is about 104.9221796774.

The spelling of 1155053 in words is "one million, one hundred fifty-five thousand, fifty-three".