1151071 has 4 divisors (see below), whose sum is σ = 1157112. Its totient is φ = 1145032.

The previous prime is 1151069. The next prime is 1151083. The reversal of 1151071 is 1701511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1701511 = 7 ⋅243073.

It is a cyclic number.

It is not a de Polignac number, because 1151071 - 2¹ = 1151069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151021) 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, 2725 + ... + 3118.

It is an arithmetic number, because the mean of its divisors is an integer number (289278).

2^1151071 is an apocalyptic number.

1151071 is a deficient number, since it is larger than the sum of its proper divisors (6041).

1151071 is an equidigital number, since it uses as much as digits as its factorization.

1151071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6040.

The product of its (nonzero) digits is 35, while the sum is 16.

The square root of 1151071 is about 1072.8797695921. The cubic root of 1151071 is about 104.8014691537.

Adding to 1151071 its reverse (1701511), we get a palindrome (2852582).

The spelling of 1151071 in words is "one million, one hundred fifty-one thousand, seventy-one".