1061420071 has 2 divisors, whose sum is σ = 1061420072. Its totient is φ = 1061420070.

The previous prime is 1061420057. The next prime is 1061420099. The reversal of 1061420071 is 1700241601.

It is a weak prime.

It is an emirp because it is prime and its reverse (1700241601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1061420071 - 2²⁵ = 1027865639 is a prime.

It is a super-2 number, since 2×1061420071² = 2253225134243290082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1061420021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530710035 + 530710036.

It is an arithmetic number, because the mean of its divisors is an integer number (530710036).

Almost surely, 2^1061420071 is an apocalyptic number.

1061420071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061420071 is an equidigital number, since it uses as much as digits as its factorization.

1061420071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1061420071 is about 32579.4424599317. The cubic root of 1061420071 is about 1020.0679408160.

Adding to 1061420071 its reverse (1700241601), we get a palindrome (2761661672).

The spelling of 1061420071 in words is "one billion, sixty-one million, four hundred twenty thousand, seventy-one".