130421177 has 2 divisors, whose sum is σ = 130421178. Its totient is φ = 130421176.

The previous prime is 130421173. The next prime is 130421183. The reversal of 130421177 is 771124031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117917881 + 12503296 = 10859^2 + 3536^2 .

It is a cyclic number.

It is not a de Polignac number, because 130421177 - 2² = 130421173 is a prime.

It is equal to p_7400672 and since 130421177 and 7400672 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (130421173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65210588 + 65210589.

It is an arithmetic number, because the mean of its divisors is an integer number (65210589).

Almost surely, 2^130421177 is an apocalyptic number.

It is an amenable number.

130421177 is a deficient number, since it is larger than the sum of its proper divisors (1).

130421177 is an equidigital number, since it uses as much as digits as its factorization.

130421177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 130421177 is about 11420.2091486978. The cubic root of 130421177 is about 507.1261883640.

The spelling of 130421177 in words is "one hundred thirty million, four hundred twenty-one thousand, one hundred seventy-seven".