1292056019 has 2 divisors, whose sum is σ = 1292056020. Its totient is φ = 1292056018.

The previous prime is 1292055977. The next prime is 1292056043. The reversal of 1292056019 is 9106502921.

It is a strong prime.

It is an emirp because it is prime and its reverse (9106502921) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1292056019 is a prime.

It is a super-2 number, since 2×1292056019² = 3338817512468256722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1292056019.

It is not a weakly prime, because it can be changed into another prime (1292053019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 646028009 + 646028010.

It is an arithmetic number, because the mean of its divisors is an integer number (646028010).

Almost surely, 2^1292056019 is an apocalyptic number.

1292056019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1292056019 is an equidigital number, since it uses as much as digits as its factorization.

1292056019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 1292056019 is about 35945.1807479111. The cubic root of 1292056019 is about 1089.1652613649.

The spelling of 1292056019 in words is "one billion, two hundred ninety-two million, fifty-six thousand, nineteen".