1020127 has 8 divisors (see below), whose sum is σ = 1064000. Its totient is φ = 977184.

The previous prime is 1020113. The next prime is 1020137. The reversal of 1020127 is 7210201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020127 is a prime.

It is a super-2 number, since 2×1020127² = 2081318192258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2749 + ... + 3097.

It is an arithmetic number, because the mean of its divisors is an integer number (133000).

2^1020127 is an apocalyptic number.

1020127 is a deficient number, since it is larger than the sum of its proper divisors (43873).

1020127 is an equidigital number, since it uses as much as digits as its factorization.

1020127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 1020127 is about 1010.0133662482. The cubic root of 1020127 is about 100.6664485958. Note that the first 3 decimals are identical.

Adding to 1020127 its reverse (7210201), we get a palindrome (8230328).

The spelling of 1020127 in words is "one million, twenty thousand, one hundred twenty-seven".