1342121071 has 2 divisors, whose sum is σ = 1342121072. Its totient is φ = 1342121070.

The previous prime is 1342121063. The next prime is 1342121111. The reversal of 1342121071 is 1701212431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1342121071 - 2³ = 1342121063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342101071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671060535 + 671060536.

It is an arithmetic number, because the mean of its divisors is an integer number (671060536).

Almost surely, 2^1342121071 is an apocalyptic number.

1342121071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342121071 is an equidigital number, since it uses as much as digits as its factorization.

1342121071 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 1342121071 is about 36634.9706018716. The cubic root of 1342121071 is about 1103.0551625956.

The spelling of 1342121071 in words is "one billion, three hundred forty-two million, one hundred twenty-one thousand, seventy-one".