1157027 has 4 divisors (see below), whose sum is σ = 1188336. Its totient is φ = 1125720.

The previous prime is 1157017. The next prime is 1157033. The reversal of 1157027 is 7207511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1157027 - 2⁴ = 1157011 is a prime.

It is a super-2 number, since 2×1157027² = 2677422957458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1156993 and 1157011.

It is not an unprimeable number, because it can be changed into a prime (1157017) 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 3 ways as a sum of consecutive naturals, for example, 15599 + ... + 15672.

It is an arithmetic number, because the mean of its divisors is an integer number (297084).

2^1157027 is an apocalyptic number.

1157027 is a deficient number, since it is larger than the sum of its proper divisors (31309).

1157027 is an equidigital number, since it uses as much as digits as its factorization.

1157027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31308.

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 1157027 is about 1075.6518953639. The cubic root of 1157027 is about 104.9819167649.

The spelling of 1157027 in words is "one million, one hundred fifty-seven thousand, twenty-seven".