1201635150 has 24 divisors (see below), whose sum is σ = 2980055544. Its totient is φ = 320436000.

The previous prime is 1201635137. The next prime is 1201635173. The reversal of 1201635150 is 515361021.

It is a self number, because there is not a number n which added to its sum of digits gives 1201635150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4005301 + ... + 4005600.

It is an arithmetic number, because the mean of its divisors is an integer number (124168981).

Almost surely, 2^1201635150 is an apocalyptic number.

1201635150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201635150 is an abundant number, since it is smaller than the sum of its proper divisors (1778420394).

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

1201635150 is a wasteful number, since it uses less digits than its factorization.

1201635150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8010916 (or 8010911 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1201635150 is about 34664.6094742174. The cubic root of 1201635150 is about 1063.1410184940.

Adding to 1201635150 its reverse (515361021), we get a palindrome (1716996171).

The spelling of 1201635150 in words is "one billion, two hundred one million, six hundred thirty-five thousand, one hundred fifty".