1157342 has 8 divisors (see below), whose sum is σ = 1760016. Its totient is φ = 570672.

The previous prime is 1157341. The next prime is 1157357. The reversal of 1157342 is 2437511.

It is a sphenic number, since it is the product of 3 distinct primes.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3818 + ... + 4109.

It is an arithmetic number, because the mean of its divisors is an integer number (220002).

2^1157342 is an apocalyptic number.

1157342 is a deficient number, since it is larger than the sum of its proper divisors (602674).

1157342 is an equidigital number, since it uses as much as digits as its factorization.

1157342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8002.

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

The square root of 1157342 is about 1075.7983082344. The cubic root of 1157342 is about 104.9914429912.

The spelling of 1157342 in words is "one million, one hundred fifty-seven thousand, three hundred forty-two".