1157383 has 4 divisors (see below), whose sum is σ = 1207728. Its totient is φ = 1107040.

The previous prime is 1157381. The next prime is 1157393. The reversal of 1157383 is 3837511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1157383 - 2¹ = 1157381 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157381) 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, 25138 + ... + 25183.

It is an arithmetic number, because the mean of its divisors is an integer number (301932).

2^1157383 is an apocalyptic number.

1157383 is a deficient number, since it is larger than the sum of its proper divisors (50345).

1157383 is an equidigital number, since it uses as much as digits as its factorization.

1157383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50344.

The product of its digits is 2520, while the sum is 28.

The square root of 1157383 is about 1075.8173636821. The cubic root of 1157383 is about 104.9926827856.

It can be divided in two parts, 1157 and 383, that added together give a triangular number (1540 = T₅₅).

The spelling of 1157383 in words is "one million, one hundred fifty-seven thousand, three hundred eighty-three".