1152743 has 4 divisors (see below), whose sum is σ = 1168608. Its totient is φ = 1136880.

The previous prime is 1152733. The next prime is 1152751. The reversal of 1152743 is 3472511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3472511 = 7 ⋅496073.

It is a cyclic number.

It is not a de Polignac number, because 1152743 - 2¹² = 1148647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7823 + ... + 7968.

It is an arithmetic number, because the mean of its divisors is an integer number (292152).

2^1152743 is an apocalyptic number.

1152743 is a deficient number, since it is larger than the sum of its proper divisors (15865).

1152743 is an equidigital number, since it uses as much as digits as its factorization.

1152743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15864.

The product of its digits is 840, while the sum is 23.

The square root of 1152743 is about 1073.6586980973. The cubic root of 1152743 is about 104.8521880875.

The spelling of 1152743 in words is "one million, one hundred fifty-two thousand, seven hundred forty-three".