1430427161 has 2 divisors, whose sum is σ = 1430427162. Its totient is φ = 1430427160.

The previous prime is 1430427149. The next prime is 1430427197. The reversal of 1430427161 is 1617240341.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1118233600 + 312193561 = 33440^2 + 17669^2 .

It is an emirp because it is prime and its reverse (1617240341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1430427161 - 2³⁰ = 356685337 is a prime.

It is a super-2 number, since 2×1430427161² = 4092243725853039842, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1430427461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715213580 + 715213581.

It is an arithmetic number, because the mean of its divisors is an integer number (715213581).

Almost surely, 2^1430427161 is an apocalyptic number.

It is an amenable number.

1430427161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430427161 is an equidigital number, since it uses as much as digits as its factorization.

1430427161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1430427161 is about 37820.9883662498. The cubic root of 1430427161 is about 1126.7353395327.

The spelling of 1430427161 in words is "one billion, four hundred thirty million, four hundred twenty-seven thousand, one hundred sixty-one".