1122078899 has 2 divisors, whose sum is σ = 1122078900. Its totient is φ = 1122078898.

The previous prime is 1122078887. The next prime is 1122078901. The reversal of 1122078899 is 9988702211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1122078899 - 2¹⁶ = 1122013363 is a prime.

It is a super-2 number, since 2×1122078899² = 2518122111162104402, which contains 22 as substring.

Together with 1122078901, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1122078499) 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, 561039449 + 561039450.

It is an arithmetic number, because the mean of its divisors is an integer number (561039450).

Almost surely, 2^1122078899 is an apocalyptic number.

1122078899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122078899 is an equidigital number, since it uses as much as digits as its factorization.

1122078899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 47.

The square root of 1122078899 is about 33497.4461563863. The cubic root of 1122078899 is about 1039.1409631557.

The spelling of 1122078899 in words is "one billion, one hundred twenty-two million, seventy-eight thousand, eight hundred ninety-nine".