130455221 has 16 divisors (see below), whose sum is σ = 145152000. Its totient is φ = 116485248.

The previous prime is 130455209. The next prime is 130455239. The reversal of 130455221 is 122554031.

It is a cyclic number.

It is not a de Polignac number, because 130455221 - 2²² = 126260917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130455251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53180 + ... + 55578.

It is an arithmetic number, because the mean of its divisors is an integer number (9072000).

Almost surely, 2^130455221 is an apocalyptic number.

It is an amenable number.

130455221 is a deficient number, since it is larger than the sum of its proper divisors (14696779).

130455221 is a wasteful number, since it uses less digits than its factorization.

130455221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 130455221 is about 11421.6995670522. The cubic root of 130455221 is about 507.1703097825.

The spelling of 130455221 in words is "one hundred thirty million, four hundred fifty-five thousand, two hundred twenty-one".