1282421351 has 2 divisors, whose sum is σ = 1282421352. Its totient is φ = 1282421350.

The previous prime is 1282421347. The next prime is 1282421363. The reversal of 1282421351 is 1531242821.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1282421351 - 2² = 1282421347 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1282421311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641210675 + 641210676.

It is an arithmetic number, because the mean of its divisors is an integer number (641210676).

Almost surely, 2^1282421351 is an apocalyptic number.

1282421351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1282421351 is an equidigital number, since it uses as much as digits as its factorization.

1282421351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 29.

The square root of 1282421351 is about 35810.9110607368. The cubic root of 1282421351 is about 1086.4512568221.

The spelling of 1282421351 in words is "one billion, two hundred eighty-two million, four hundred twenty-one thousand, three hundred fifty-one".