130621941 has 48 divisors (see below), whose sum is σ = 210362880. Its totient is φ = 77760000.

The previous prime is 130621937. The next prime is 130621957. The reversal of 130621941 is 149126031.

130621941 is a `hidden beast` number, since 1 + 30 + 621 + 9 + 4 + 1 = 666.

It is not a de Polignac number, because 130621941 - 2² = 130621937 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130621901) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 217041 + ... + 217641.

It is an arithmetic number, because the mean of its divisors is an integer number (4382560).

Almost surely, 2^130621941 is an apocalyptic number.

It is an amenable number.

130621941 is a deficient number, since it is larger than the sum of its proper divisors (79740939).

130621941 is a wasteful number, since it uses less digits than its factorization.

130621941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 130621941 is about 11428.9956251632. The cubic root of 130621941 is about 507.3862700655.

Adding to 130621941 its reverse (149126031), we get a palindrome (279747972).

The spelling of 130621941 in words is "one hundred thirty million, six hundred twenty-one thousand, nine hundred forty-one".