1157411 has 8 divisors (see below), whose sum is σ = 1239264. Its totient is φ = 1077120.

The previous prime is 1157393. The next prime is 1157413. The reversal of 1157411 is 1147511.

It is a happy number.

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

It is not a de Polignac number, because 1157411 - 2¹⁰ = 1156387 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1421 + ... + 2081.

It is an arithmetic number, because the mean of its divisors is an integer number (154908).

2^1157411 is an apocalyptic number.

1157411 is a deficient number, since it is larger than the sum of its proper divisors (81853).

1157411 is a wasteful number, since it uses less digits than its factorization.

1157411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781.

The product of its digits is 140, while the sum is 20.

The square root of 1157411 is about 1075.8303769647. The cubic root of 1157411 is about 104.9935294577.

The spelling of 1157411 in words is "one million, one hundred fifty-seven thousand, four hundred eleven".