1201612150 has 48 divisors (see below), whose sum is σ = 2267912880. Its totient is φ = 473616000.

The previous prime is 1201612147. The next prime is 1201612157. The reversal of 1201612150 is 512161021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201612157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1398421 + ... + 1399279.

It is an arithmetic number, because the mean of its divisors is an integer number (47248185).

Almost surely, 2^1201612150 is an apocalyptic number.

1201612150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201612150 is a deficient number, since it is larger than the sum of its proper divisors (1066300730).

1201612150 is a wasteful number, since it uses less digits than its factorization.

1201612150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249 (or 1244 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1201612150 is about 34664.2777221739. The cubic root of 1201612150 is about 1063.1342354037.

Adding to 1201612150 its reverse (512161021), we get a palindrome (1713773171).

The spelling of 1201612150 in words is "one billion, two hundred one million, six hundred twelve thousand, one hundred fifty".