1151430073 has 2 divisors, whose sum is σ = 1151430074. Its totient is φ = 1151430072.

The previous prime is 1151430067. The next prime is 1151430089. The reversal of 1151430073 is 3700341511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1143318969 + 8111104 = 33813^2 + 2848^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151430073 - 2¹³ = 1151421881 is a prime.

It is not a weakly prime, because it can be changed into another prime (1151430023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575715036 + 575715037.

It is an arithmetic number, because the mean of its divisors is an integer number (575715037).

Almost surely, 2^1151430073 is an apocalyptic number.

It is an amenable number.

1151430073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151430073 is an equidigital number, since it uses as much as digits as its factorization.

1151430073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 1151430073 is about 33932.7286406502. The cubic root of 1151430073 is about 1048.1236551764.

Adding to 1151430073 its reverse (3700341511), we get a palindrome (4851771584).

The spelling of 1151430073 in words is "one billion, one hundred fifty-one million, four hundred thirty thousand, seventy-three".