1201646112 has 96 divisors (see below), whose sum is σ = 3210762240. Its totient is φ = 393442560.

The previous prime is 1201646107. The next prime is 1201646119. The reversal of 1201646112 is 2116461021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1201646119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1904037 + ... + 1904667.

It is an arithmetic number, because the mean of its divisors is an integer number (33445440).

Almost surely, 2^1201646112 is an apocalyptic number.

1201646112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201646112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1605381120).

1201646112 is an abundant number, since it is smaller than the sum of its proper divisors (2009116128).

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

1201646112 is a wasteful number, since it uses less digits than its factorization.

1201646112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1201646112 is about 34664.7675890089. The cubic root of 1201646112 is about 1063.1442513434.

The spelling of 1201646112 in words is "one billion, two hundred one million, six hundred forty-six thousand, one hundred twelve".