1153430077 has 2 divisors, whose sum is σ = 1153430078. Its totient is φ = 1153430076.

The previous prime is 1153430071. The next prime is 1153430087. The reversal of 1153430077 is 7700343511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 835556836 + 317873241 = 28906^2 + 17829^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1153430077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1153430071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576715038 + 576715039.

It is an arithmetic number, because the mean of its divisors is an integer number (576715039).

Almost surely, 2^1153430077 is an apocalyptic number.

It is an amenable number.

1153430077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153430077 is an equidigital number, since it uses as much as digits as its factorization.

1153430077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 1153430077 is about 33962.1859867706. The cubic root of 1153430077 is about 1048.7301586339.

Adding to 1153430077 its reverse (7700343511), we get a palindrome (8853773588).

The spelling of 1153430077 in words is "one billion, one hundred fifty-three million, four hundred thirty thousand, seventy-seven".