1292295049 has 2 divisors, whose sum is σ = 1292295050. Its totient is φ = 1292295048.

The previous prime is 1292295019. The next prime is 1292295077. The reversal of 1292295049 is 9405922921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 711822400 + 580472649 = 26680^2 + 24093^2 .

It is a cyclic number.

It is not a de Polignac number, because 1292295049 - 2²³ = 1283906441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1292294996 and 1292295014.

It is not a weakly prime, because it can be changed into another prime (1292295019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 646147524 + 646147525.

It is an arithmetic number, because the mean of its divisors is an integer number (646147525).

Almost surely, 2^1292295049 is an apocalyptic number.

It is an amenable number.

1292295049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1292295049 is an equidigital number, since it uses as much as digits as its factorization.

1292295049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 1292295049 is about 35948.5055183105. The cubic root of 1292295049 is about 1089.2324223125.

The spelling of 1292295049 in words is "one billion, two hundred ninety-two million, two hundred ninety-five thousand, forty-nine".