1342264081 has 2 divisors, whose sum is σ = 1342264082. Its totient is φ = 1342264080.

The previous prime is 1342264073. The next prime is 1342264097. The reversal of 1342264081 is 1804622431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 719312400 + 622951681 = 26820^2 + 24959^2 .

It is an emirp because it is prime and its reverse (1804622431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1342264081 - 2³ = 1342264073 is a prime.

It is a super-2 number, since 2×1342264081² = 3603345726285549122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1342264181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671132040 + 671132041.

It is an arithmetic number, because the mean of its divisors is an integer number (671132041).

Almost surely, 2^1342264081 is an apocalyptic number.

It is an amenable number.

1342264081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342264081 is an equidigital number, since it uses as much as digits as its factorization.

1342264081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 1342264081 is about 36636.9223734745. The cubic root of 1342264081 is about 1103.0943399643.

The spelling of 1342264081 in words is "one billion, three hundred forty-two million, two hundred sixty-four thousand, eighty-one".