1061157 has 8 divisors (see below), whose sum is σ = 1498176. Its totient is φ = 665792.

The previous prime is 1061149. The next prime is 1061171. The reversal of 1061157 is 7511601.

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

It is a cyclic number.

It is not a de Polignac number, because 1061157 - 2³ = 1061149 is a prime.

It is a super-2 number, since 2×1061157² = 2252108357298, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10353 + ... + 10454.

It is an arithmetic number, because the mean of its divisors is an integer number (187272).

2^1061157 is an apocalyptic number.

1061157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1061157 is a deficient number, since it is larger than the sum of its proper divisors (437019).

1061157 is a wasteful number, since it uses less digits than its factorization.

1061157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20827.

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 1061157 is about 1030.1247497269. The cubic root of 1061157 is about 101.9983659869.

Adding to 1061157 its reverse (7511601), we get a palindrome (8572758).

The spelling of 1061157 in words is "one million, sixty-one thousand, one hundred fifty-seven".