1011126427 has 2 divisors, whose sum is σ = 1011126428. Its totient is φ = 1011126426.

The previous prime is 1011126409. The next prime is 1011126433. The reversal of 1011126427 is 7246211101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011126427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011126227) 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 as a sum of consecutive naturals, namely, 505563213 + 505563214.

It is an arithmetic number, because the mean of its divisors is an integer number (505563214).

Almost surely, 2^1011126427 is an apocalyptic number.

1011126427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011126427 is an equidigital number, since it uses as much as digits as its factorization.

1011126427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 1011126427 is about 31798.2142108641. The cubic root of 1011126427 is about 1003.6951381363.

Adding to 1011126427 its reverse (7246211101), we get a palindrome (8257337528).

The spelling of 1011126427 in words is "one billion, eleven million, one hundred twenty-six thousand, four hundred twenty-seven".