1302142019 has 2 divisors, whose sum is σ = 1302142020. Its totient is φ = 1302142018.

The previous prime is 1302141989. The next prime is 1302142063. The reversal of 1302142019 is 9102412031.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1302142019 is a prime.

It is a super-2 number, since 2×1302142019² = 3391147675290792722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1302141985 and 1302142003.

It is not a weakly prime, because it can be changed into another prime (1302142519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651071009 + 651071010.

It is an arithmetic number, because the mean of its divisors is an integer number (651071010).

Almost surely, 2^1302142019 is an apocalyptic number.

1302142019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302142019 is an equidigital number, since it uses as much as digits as its factorization.

1302142019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1302142019 is about 36085.2049876400. The cubic root of 1302142019 is about 1091.9919860025.

The spelling of 1302142019 in words is "one billion, three hundred two million, one hundred forty-two thousand, nineteen".