130421029 has 2 divisors, whose sum is σ = 130421030. Its totient is φ = 130421028.

The previous prime is 130421023. The next prime is 130421047. The reversal of 130421029 is 920124031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86992929 + 43428100 = 9327^2 + 6590^2 .

It is a cyclic number.

It is not a de Polignac number, because 130421029 - 2⁹ = 130420517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130421023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65210514 + 65210515.

It is an arithmetic number, because the mean of its divisors is an integer number (65210515).

Almost surely, 2^130421029 is an apocalyptic number.

It is an amenable number.

130421029 is a deficient number, since it is larger than the sum of its proper divisors (1).

130421029 is an equidigital number, since it uses as much as digits as its factorization.

130421029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 130421029 is about 11420.2026689547. The cubic root of 130421029 is about 507.1259965375.

The spelling of 130421029 in words is "one hundred thirty million, four hundred twenty-one thousand, twenty-nine".