1157066 has 4 divisors (see below), whose sum is σ = 1735602. Its totient is φ = 578532.

The previous prime is 1157063. The next prime is 1157069. The reversal of 1157066 is 6607511.

1157066 = 305² + 306² + ... + 316².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6607511 = 967 ⋅6833.

It is an interprime number because it is at equal distance from previous prime (1157063) and next prime (1157069).

It can be written as a sum of positive squares in only one way, i.e., 674041 + 483025 = 821^2 + 695^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1157063) 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 as a sum of consecutive naturals, namely, 289265 + ... + 289268.

2^1157066 is an apocalyptic number.

1157066 is a deficient number, since it is larger than the sum of its proper divisors (578536).

1157066 is an equidigital number, since it uses as much as digits as its factorization.

1157066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578535.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1157066 is about 1075.6700237526. The cubic root of 1157066 is about 104.9830962962.

It can be divided in two parts, 11 and 57066, that multiplied together give a palindrome (627726).

The spelling of 1157066 in words is "one million, one hundred fifty-seven thousand, sixty-six".