1200426071 has 4 divisors (see below), whose sum is σ = 1292766552. Its totient is φ = 1108085592.

The previous prime is 1200425999. The next prime is 1200426077. The reversal of 1200426071 is 1706240021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1706240021 = 6803 ⋅250807.

It is a cyclic number.

It is not a de Polignac number, because 1200426071 - 2¹⁰ = 1200425047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200426077) 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, 46170221 + ... + 46170246.

It is an arithmetic number, because the mean of its divisors is an integer number (323191638).

Almost surely, 2^1200426071 is an apocalyptic number.

1200426071 is a deficient number, since it is larger than the sum of its proper divisors (92340481).

1200426071 is an equidigital number, since it uses as much as digits as its factorization.

1200426071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92340480.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1200426071 is about 34647.1654107519. The cubic root of 1200426071 is about 1062.7843231891.

Adding to 1200426071 its reverse (1706240021), we get a palindrome (2906666092).

The spelling of 1200426071 in words is "one billion, two hundred million, four hundred twenty-six thousand, seventy-one".