65120230 has 16 divisors (see below), whose sum is σ = 133961760. Its totient is φ = 22326912.

The previous prime is 65120219. The next prime is 65120233. The reversal of 65120230 is 3202156.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 65120198 and 65120207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65120233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465075 + ... + 465214.

It is an arithmetic number, because the mean of its divisors is an integer number (8372610).

Almost surely, 2^65120230 is an apocalyptic number.

65120230 is an abundant number, since it is smaller than the sum of its proper divisors (68841530).

65120230 is a wasteful number, since it uses less digits than its factorization.

65120230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930303.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 65120230 is about 8069.7106515661. The cubic root of 65120230 is about 402.3203266843.

Adding to 65120230 its reverse (3202156), we get a palindrome (68322386).

It can be divided in two parts, 65 and 120230, that added together give a triangular number (120295 = T₄₉₀).

The spelling of 65120230 in words is "sixty-five million, one hundred twenty thousand, two hundred thirty".