120215650 has 12 divisors (see below), whose sum is σ = 223601202. Its totient is φ = 48086240.

The previous prime is 120215633. The next prime is 120215671. The reversal of 120215650 is 56512021.

It can be written as a sum of positive squares in 3 ways, for example, as 97357689 + 22857961 = 9867^2 + 4781^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1202107 + ... + 1202206.

Almost surely, 2^120215650 is an apocalyptic number.

120215650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120215650 is a deficient number, since it is larger than the sum of its proper divisors (103385552).

120215650 is a wasteful number, since it uses less digits than its factorization.

120215650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404325 (or 2404320 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 120215650 is about 10964.2897626796. The cubic root of 120215650 is about 493.5377039580.

Adding to 120215650 its reverse (56512021), we get a palindrome (176727671).

It can be divided in two parts, 12021 and 5650, that added together give a palindrome (17671).

The spelling of 120215650 in words is "one hundred twenty million, two hundred fifteen thousand, six hundred fifty".