1298122395 has 32 divisors (see below), whose sum is σ = 2130935040. Its totient is φ = 674567040.

The previous prime is 1298122381. The next prime is 1298122403. The reversal of 1298122395 is 5932218921.

It is not a de Polignac number, because 1298122395 - 2⁴ = 1298122379 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91276 + ... + 104534.

It is an arithmetic number, because the mean of its divisors is an integer number (66591720).

Almost surely, 2^1298122395 is an apocalyptic number.

1298122395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1298122395 is a deficient number, since it is larger than the sum of its proper divisors (832812645).

1298122395 is a wasteful number, since it uses less digits than its factorization.

1298122395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13435.

The product of its digits is 77760, while the sum is 42.

The square root of 1298122395 is about 36029.4656496596. The cubic root of 1298122395 is about 1090.8671927816.

The spelling of 1298122395 in words is "one billion, two hundred ninety-eight million, one hundred twenty-two thousand, three hundred ninety-five".