1126140427 has 2 divisors, whose sum is σ = 1126140428. Its totient is φ = 1126140426.

The previous prime is 1126140409. The next prime is 1126140451. The reversal of 1126140427 is 7240416211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1126140427 is a prime.

It is a super-2 number, since 2×1126140427² = 2536384522647484658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1126140395 and 1126140404.

It is not a weakly prime, because it can be changed into another prime (1126140487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563070213 + 563070214.

It is an arithmetic number, because the mean of its divisors is an integer number (563070214).

Almost surely, 2^1126140427 is an apocalyptic number.

1126140427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126140427 is an equidigital number, since it uses as much as digits as its factorization.

1126140427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1126140427 is about 33558.0158382465. The cubic root of 1126140427 is about 1040.3932274717.

Adding to 1126140427 its reverse (7240416211), we get a palindrome (8366556638).

The spelling of 1126140427 in words is "one billion, one hundred twenty-six million, one hundred forty thousand, four hundred twenty-seven".