1157343 has 16 divisors (see below), whose sum is σ = 1783296. Its totient is φ = 659840.

The previous prime is 1157341. The next prime is 1157357. The reversal of 1157343 is 3437511.

It is a cyclic number.

It is not a de Polignac number, because 1157343 - 2¹ = 1157341 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471 + ... + 1592.

It is an arithmetic number, because the mean of its divisors is an integer number (111456).

2^1157343 is an apocalyptic number.

1157343 is a deficient number, since it is larger than the sum of its proper divisors (625953).

1157343 is a wasteful number, since it uses less digits than its factorization.

1157343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094.

The product of its digits is 1260, while the sum is 24.

The square root of 1157343 is about 1075.7987730054. The cubic root of 1157343 is about 104.9914732305.

The spelling of 1157343 in words is "one million, one hundred fifty-seven thousand, three hundred forty-three".