1192842449 has 2 divisors, whose sum is σ = 1192842450. Its totient is φ = 1192842448.

The previous prime is 1192842389. The next prime is 1192842457. The reversal of 1192842449 is 9442482911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1188870400 + 3972049 = 34480^2 + 1993^2 .

It is a cyclic number.

It is not a de Polignac number, because 1192842449 - 2¹⁶ = 1192776913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1192842649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 596421224 + 596421225.

It is an arithmetic number, because the mean of its divisors is an integer number (596421225).

Almost surely, 2^1192842449 is an apocalyptic number.

It is an amenable number.

1192842449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1192842449 is an equidigital number, since it uses as much as digits as its factorization.

1192842449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 44.

The square root of 1192842449 is about 34537.5512884165. The cubic root of 1192842449 is about 1060.5415676283.

The spelling of 1192842449 in words is "one billion, one hundred ninety-two million, eight hundred forty-two thousand, four hundred forty-nine".