185120130 has 32 divisors (see below), whose sum is σ = 478465344. Its totient is φ = 45567936.

The previous prime is 185120101. The next prime is 185120141. The reversal of 185120130 is 31021581.

It is a junction number, because it is equal to n+sod(n) for n = 185120097 and 185120106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236944 + ... + 237723.

It is an arithmetic number, because the mean of its divisors is an integer number (14952042).

Almost surely, 2^185120130 is an apocalyptic number.

185120130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

185120130 is an abundant number, since it is smaller than the sum of its proper divisors (293345214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

185120130 is a wasteful number, since it uses less digits than its factorization.

185120130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474690.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 185120130 is about 13605.8858587010. The cubic root of 185120130 is about 569.9252287270.

The spelling of 185120130 in words is "one hundred eighty-five million, one hundred twenty thousand, one hundred thirty".