1201020127 has 2 divisors, whose sum is σ = 1201020128. Its totient is φ = 1201020126.

The previous prime is 1201020101. The next prime is 1201020137. The reversal of 1201020127 is 7210201021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201020127 is a prime.

It is a super-2 number, since 2×1201020127² = 2884898690918192258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1201020127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201020137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600510063 + 600510064.

It is an arithmetic number, because the mean of its divisors is an integer number (600510064).

Almost surely, 2^1201020127 is an apocalyptic number.

1201020127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201020127 is an equidigital number, since it uses as much as digits as its factorization.

1201020127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 1201020127 is about 34655.7372883625. The cubic root of 1201020127 is about 1062.9596079766.

Adding to 1201020127 its reverse (7210201021), we get a palindrome (8411221148).

The spelling of 1201020127 in words is "one billion, two hundred one million, twenty thousand, one hundred twenty-seven".