1026198043 has 4 divisors (see below), whose sum is σ = 1105136368. Its totient is φ = 947259720.

The previous prime is 1026198029. The next prime is 1026198067. The reversal of 1026198043 is 3408916201.

1026198043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3408916201 = 5179 ⋅658219.

It is a cyclic number.

It is not a de Polignac number, because 1026198043 - 2¹³ = 1026189851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1026198023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39469143 + ... + 39469168.

It is an arithmetic number, because the mean of its divisors is an integer number (276284092).

Almost surely, 2^1026198043 is an apocalyptic number.

1026198043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1026198043 is a deficient number, since it is larger than the sum of its proper divisors (78938325).

1026198043 is an equidigital number, since it uses as much as digits as its factorization.

1026198043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78938324.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1026198043 is about 32034.3260113273. The cubic root of 1026198043 is about 1008.6575121820.

The spelling of 1026198043 in words is "one billion, twenty-six million, one hundred ninety-eight thousand, forty-three".