1140732427 has 2 divisors, whose sum is σ = 1140732428. Its totient is φ = 1140732426.

The previous prime is 1140732413. The next prime is 1140732433. The reversal of 1140732427 is 7242370411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1140732427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1140732407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570366213 + 570366214.

It is an arithmetic number, because the mean of its divisors is an integer number (570366214).

Almost surely, 2^1140732427 is an apocalyptic number.

1140732427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140732427 is an equidigital number, since it uses as much as digits as its factorization.

1140732427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 1140732427 is about 33774.7305984815. The cubic root of 1140732427 is about 1044.8675998096.

It can be divided in two parts, 11407 and 32427, that added together give a palindrome (43834).

The spelling of 1140732427 in words is "one billion, one hundred forty million, seven hundred thirty-two thousand, four hundred twenty-seven".