1156046429 has 2 divisors, whose sum is σ = 1156046430. Its totient is φ = 1156046428.

The previous prime is 1156046371. The next prime is 1156046453. The reversal of 1156046429 is 9246406511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 608954329 + 547092100 = 24677^2 + 23390^2 .

It is a cyclic number.

It is not a de Polignac number, because 1156046429 - 2¹² = 1156042333 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1156046392 and 1156046401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1156046729) 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, 578023214 + 578023215.

It is an arithmetic number, because the mean of its divisors is an integer number (578023215).

Almost surely, 2^1156046429 is an apocalyptic number.

It is an amenable number.

1156046429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1156046429 is an equidigital number, since it uses as much as digits as its factorization.

1156046429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 1156046429 is about 34000.6827725562. The cubic root of 1156046429 is about 1049.5225127521.

The spelling of 1156046429 in words is "one billion, one hundred fifty-six million, forty-six thousand, four hundred twenty-nine".