1027042161 has 16 divisors (see below), whose sum is σ = 1434513024. Its totient is φ = 652365824.

The previous prime is 1027042157. The next prime is 1027042171. The reversal of 1027042161 is 1612407201.

It is a cyclic number.

It is not a de Polignac number, because 1027042161 - 2² = 1027042157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1027042141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11226 + ... + 46691.

It is an arithmetic number, because the mean of its divisors is an integer number (89657064).

Almost surely, 2^1027042161 is an apocalyptic number.

It is an amenable number.

1027042161 is a deficient number, since it is larger than the sum of its proper divisors (407470863).

1027042161 is a wasteful number, since it uses less digits than its factorization.

1027042161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58200.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 1027042161 is about 32047.4985139246. The cubic root of 1027042161 is about 1008.9339996243.

Adding to 1027042161 its reverse (1612407201), we get a palindrome (2639449362).

The spelling of 1027042161 in words is "one billion, twenty-seven million, forty-two thousand, one hundred sixty-one".