130420197 has 12 divisors (see below), whose sum is σ = 188483724. Its totient is φ = 86901120.

The previous prime is 130420183. The next prime is 130420201. The reversal of 130420197 is 791024031.

It can be written as a sum of positive squares in 2 ways, for example, as 103856481 + 26563716 = 10191^2 + 5154^2 .

It is not a de Polignac number, because 130420197 - 2⁴ = 130420181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130420197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130420177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31923 + ... + 35775.

It is an arithmetic number, because the mean of its divisors is an integer number (15706977).

Almost surely, 2^130420197 is an apocalyptic number.

It is an amenable number.

130420197 is a deficient number, since it is larger than the sum of its proper divisors (58063527).

130420197 is a wasteful number, since it uses less digits than its factorization.

130420197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7620 (or 7617 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 130420197 is about 11420.1662422226. The cubic root of 130420197 is about 507.1249181590.

The spelling of 130420197 in words is "one hundred thirty million, four hundred twenty thousand, one hundred ninety-seven".