1342121351 has 2 divisors, whose sum is σ = 1342121352. Its totient is φ = 1342121350.

The previous prime is 1342121317. The next prime is 1342121393. The reversal of 1342121351 is 1531212431.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1342121351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342121551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671060675 + 671060676.

It is an arithmetic number, because the mean of its divisors is an integer number (671060676).

Almost surely, 2^1342121351 is an apocalyptic number.

1342121351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342121351 is an equidigital number, since it uses as much as digits as its factorization.

1342121351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 23.

The square root of 1342121351 is about 36634.9744233567. The cubic root of 1342121351 is about 1103.0552393039.

Adding to 1342121351 its reverse (1531212431), we get a palindrome (2873333782).

The spelling of 1342121351 in words is "one billion, three hundred forty-two million, one hundred twenty-one thousand, three hundred fifty-one".