1153013 has 4 divisors (see below), whose sum is σ = 1203168. Its totient is φ = 1102860.

The previous prime is 1153007. The next prime is 1153021. The reversal of 1153013 is 3103511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3103511 = 743 ⋅4177.

It is a cyclic number.

It is not a de Polignac number, because 1153013 - 2⁴ = 1152997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25043 + ... + 25088.

It is an arithmetic number, because the mean of its divisors is an integer number (300792).

2^1153013 is an apocalyptic number.

It is an amenable number.

1153013 is a deficient number, since it is larger than the sum of its proper divisors (50155).

1153013 is an equidigital number, since it uses as much as digits as its factorization.

1153013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50154.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 1153013 is about 1073.7844290173. The cubic root of 1153013 is about 104.8603737458.

Adding to 1153013 its reverse (3103511), we get a palindrome (4256524).

The spelling of 1153013 in words is "one million, one hundred fifty-three thousand, thirteen".