1420159129 has 2 divisors, whose sum is σ = 1420159130. Its totient is φ = 1420159128.

The previous prime is 1420159099. The next prime is 1420159201. The reversal of 1420159129 is 9219510241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1391290000 + 28869129 = 37300^2 + 5373^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420159129 - 2¹³ = 1420150937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1420159094 and 1420159103.

It is not a weakly prime, because it can be changed into another prime (1420159529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710079564 + 710079565.

It is an arithmetic number, because the mean of its divisors is an integer number (710079565).

Almost surely, 2^1420159129 is an apocalyptic number.

It is an amenable number.

1420159129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420159129 is an equidigital number, since it uses as much as digits as its factorization.

1420159129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 1420159129 is about 37684.9987262836. The cubic root of 1420159129 is about 1124.0328488540.

The spelling of 1420159129 in words is "one billion, four hundred twenty million, one hundred fifty-nine thousand, one hundred twenty-nine".