1113012427 has 2 divisors, whose sum is σ = 1113012428. Its totient is φ = 1113012426.

The previous prime is 1113012413. The next prime is 1113012443. The reversal of 1113012427 is 7242103111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113012427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1113012398 and 1113012407.

It is not a weakly prime, because it can be changed into another prime (1117012427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556506213 + 556506214.

It is an arithmetic number, because the mean of its divisors is an integer number (556506214).

Almost surely, 2^1113012427 is an apocalyptic number.

1113012427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113012427 is an equidigital number, since it uses as much as digits as its factorization.

1113012427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1113012427 is about 33361.8408814622. The cubic root of 1113012427 is about 1036.3346150451.

Adding to 1113012427 its reverse (7242103111), we get a palindrome (8355115538).

The spelling of 1113012427 in words is "one billion, one hundred thirteen million, twelve thousand, four hundred twenty-seven".