130662121 has 4 divisors (see below), whose sum is σ = 133849044. Its totient is φ = 127475200.

The previous prime is 130662113. The next prime is 130662131. The reversal of 130662121 is 121266031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74995600 + 55666521 = 8660^2 + 7461^2 .

It is a cyclic number.

It is not a de Polignac number, because 130662121 - 2³ = 130662113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130662092 and 130662101.

It is not an unprimeable number, because it can be changed into a prime (130662131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1593400 + ... + 1593481.

It is an arithmetic number, because the mean of its divisors is an integer number (33462261).

Almost surely, 2^130662121 is an apocalyptic number.

It is an amenable number.

130662121 is a deficient number, since it is larger than the sum of its proper divisors (3186923).

130662121 is an equidigital number, since it uses as much as digits as its factorization.

130662121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186922.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 130662121 is about 11430.7532997611. The cubic root of 130662121 is about 507.4382896323.

The spelling of 130662121 in words is "one hundred thirty million, six hundred sixty-two thousand, one hundred twenty-one".