1157849 has 12 divisors (see below), whose sum is σ = 1455552. Its totient is φ = 901560.

The previous prime is 1157839. The next prime is 1157851. The reversal of 1157849 is 9487511.

It is not a de Polignac number, because 1157849 - 2⁴ = 1157833 is a prime.

It is a super-2 number, since 2×1157849² = 2681228613602, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1157839) 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 11 ways as a sum of consecutive naturals, for example, 164 + ... + 1530.

It is an arithmetic number, because the mean of its divisors is an integer number (121296).

2^1157849 is an apocalyptic number.

It is an amenable number.

1157849 is a deficient number, since it is larger than the sum of its proper divisors (297703).

1157849 is a wasteful number, since it uses less digits than its factorization.

1157849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396 (or 1385 counting only the distinct ones).

The product of its digits is 10080, while the sum is 35.

The square root of 1157849 is about 1076.0339213984. The cubic root of 1157849 is about 105.0067720500.

The spelling of 1157849 in words is "one million, one hundred fifty-seven thousand, eight hundred forty-nine".