215120130 has 16 divisors (see below), whose sum is σ = 516288384. Its totient is φ = 57365360.

The previous prime is 215120117. The next prime is 215120141. The reversal of 215120130 is 31021512.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3585306 + ... + 3585365.

It is an arithmetic number, because the mean of its divisors is an integer number (32268024).

Almost surely, 2^215120130 is an apocalyptic number.

215120130 is an abundant number, since it is smaller than the sum of its proper divisors (301168254).

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

215120130 is a wasteful number, since it uses less digits than its factorization.

215120130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7170681.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 215120130 is about 14666.9741255652. The cubic root of 215120130 is about 599.1841968336.

Adding to 215120130 its reverse (31021512), we get a palindrome (246141642).

The spelling of 215120130 in words is "two hundred fifteen million, one hundred twenty thousand, one hundred thirty".