1321000098 has 32 divisors (see below), whose sum is σ = 2888421120. Its totient is φ = 399436560.

The previous prime is 1321000081. The next prime is 1321000127. The reversal of 1321000098 is 8900001231.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9393 + ... + 52251.

It is an arithmetic number, because the mean of its divisors is an integer number (90263160).

Almost surely, 2^1321000098 is an apocalyptic number.

1321000098 is an abundant number, since it is smaller than the sum of its proper divisors (1567421022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321000098 is a wasteful number, since it uses less digits than its factorization.

1321000098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43342.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1321000098 is about 36345.5650389425. The cubic root of 1321000098 is about 1097.2382781291.

The spelling of 1321000098 in words is "one billion, three hundred twenty-one million, ninety-eight", and thus it is an aban number.