1157349 has 4 divisors (see below), whose sum is σ = 1543136. Its totient is φ = 771564.

The previous prime is 1157341. The next prime is 1157357. The reversal of 1157349 is 9437511.

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.

It is an interprime number because it is at equal distance from previous prime (1157341) and next prime (1157357).

It is not a de Polignac number, because 1157349 - 2³ = 1157341 is a prime.

It is a D-number.

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 (1157341) 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, 192889 + ... + 192894.

It is an arithmetic number, because the mean of its divisors is an integer number (385784).

2^1157349 is an apocalyptic number.

It is an amenable number.

1157349 is a deficient number, since it is larger than the sum of its proper divisors (385787).

1157349 is an equidigital number, since it uses as much as digits as its factorization.

1157349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385786.

The product of its digits is 3780, while the sum is 30.

The square root of 1157349 is about 1075.8015616274. The cubic root of 1157349 is about 104.9916546655.

The spelling of 1157349 in words is "one million, one hundred fifty-seven thousand, three hundred forty-nine".