1071157 has 2 divisors, whose sum is σ = 1071158. Its totient is φ = 1071156.

The previous prime is 1071151. The next prime is 1071181. The reversal of 1071157 is 7511701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 703921 + 367236 = 839^2 + 606^2 .

It is an emirp because it is prime and its reverse (7511701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1071157 - 2³ = 1071149 is a prime.

It is a super-2 number, since 2×1071157² = 2294754637298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1071151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535578 + 535579.

It is an arithmetic number, because the mean of its divisors is an integer number (535579).

2^1071157 is an apocalyptic number.

It is an amenable number.

1071157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071157 is an equidigital number, since it uses as much as digits as its factorization.

1071157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 245, while the sum is 22.

The square root of 1071157 is about 1034.9671492371. The cubic root of 1071157 is about 102.3177646341.

Adding to 1071157 its reverse (7511701), we get a palindrome (8582858).

The spelling of 1071157 in words is "one million, seventy-one thousand, one hundred fifty-seven".