1206378043 has 8 divisors (see below), whose sum is σ = 1302115248. Its totient is φ = 1111060704.

The previous prime is 1206378031. The next prime is 1206378067. The reversal of 1206378043 is 3408736021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1206378043 - 2⁵ = 1206378011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1206378013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98980 + ... + 110497.

It is an arithmetic number, because the mean of its divisors is an integer number (162764406).

Almost surely, 2^1206378043 is an apocalyptic number.

1206378043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1206378043 is a deficient number, since it is larger than the sum of its proper divisors (95737205).

1206378043 is a wasteful number, since it uses less digits than its factorization.

1206378043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209933.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1206378043 is about 34732.9532720729. The cubic root of 1206378043 is about 1064.5379329343.

The spelling of 1206378043 in words is "one billion, two hundred six million, three hundred seventy-eight thousand, forty-three".