130215401 has 2 divisors, whose sum is σ = 130215402. Its totient is φ = 130215400.

The previous prime is 130215391. The next prime is 130215409. The reversal of 130215401 is 104512031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130074025 + 141376 = 11405^2 + 376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130215401 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130215401.

It is not a weakly prime, because it can be changed into another prime (130215409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65107700 + 65107701.

It is an arithmetic number, because the mean of its divisors is an integer number (65107701).

Almost surely, 2^130215401 is an apocalyptic number.

It is an amenable number.

130215401 is a deficient number, since it is larger than the sum of its proper divisors (1).

130215401 is an equidigital number, since it uses as much as digits as its factorization.

130215401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 130215401 is about 11411.1963001256. The cubic root of 130215401 is about 506.8593366868.

Adding to 130215401 its reverse (104512031), we get a palindrome (234727432).

The spelling of 130215401 in words is "one hundred thirty million, two hundred fifteen thousand, four hundred one".