1207020071 has 4 divisors (see below), whose sum is σ = 1209056112. Its totient is φ = 1204984032.

The previous prime is 1207020029. The next prime is 1207020097. The reversal of 1207020071 is 1700207021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1700207021 = 5483 ⋅310087.

It is a cyclic number.

It is not a de Polignac number, because 1207020071 - 2³⁰ = 133278247 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 (1207023071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017131 + ... + 1018316.

It is an arithmetic number, because the mean of its divisors is an integer number (302264028).

Almost surely, 2^1207020071 is an apocalyptic number.

1207020071 is a deficient number, since it is larger than the sum of its proper divisors (2036041).

1207020071 is an equidigital number, since it uses as much as digits as its factorization.

1207020071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036040.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 1207020071 is about 34742.1943895316. The cubic root of 1207020071 is about 1064.7267465914.

Adding to 1207020071 its reverse (1700207021), we get a palindrome (2907227092).

The spelling of 1207020071 in words is "one billion, two hundred seven million, twenty thousand, seventy-one".