1200379043 has 2 divisors, whose sum is σ = 1200379044. Its totient is φ = 1200379042.

The previous prime is 1200379001. The next prime is 1200379057. The reversal of 1200379043 is 3409730021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200379043 - 2¹⁶ = 1200313507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200378997 and 1200379015.

It is not a weakly prime, because it can be changed into another prime (1200379073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600189521 + 600189522.

It is an arithmetic number, because the mean of its divisors is an integer number (600189522).

Almost surely, 2^1200379043 is an apocalyptic number.

1200379043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200379043 is an equidigital number, since it uses as much as digits as its factorization.

1200379043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 1200379043 is about 34646.4867338667. The cubic root of 1200379043 is about 1062.7704444297.

The spelling of 1200379043 in words is "one billion, two hundred million, three hundred seventy-nine thousand, forty-three".