3126820043 has 8 divisors (see below), whose sum is σ = 3146408448. Its totient is φ = 3107291904.

The previous prime is 3126820027. The next prime is 3126820057. The reversal of 3126820043 is 3400286213.

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

It is a cyclic number.

It is not a de Polignac number, because 3126820043 - 2⁴ = 3126820027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3126819988 and 3126820015.

It is not an unprimeable number, because it can be changed into a prime (3126820943) 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, 91355 + ... + 120827.

It is an arithmetic number, because the mean of its divisors is an integer number (393301056).

Almost surely, 2^3126820043 is an apocalyptic number.

3126820043 is a deficient number, since it is larger than the sum of its proper divisors (19588405).

3126820043 is a wasteful number, since it uses less digits than its factorization.

3126820043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30133.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 3126820043 is about 55917.9760273921. The cubic root of 3126820043 is about 1462.2926453827.

The spelling of 3126820043 in words is "three billion, one hundred twenty-six million, eight hundred twenty thousand, forty-three".