1201800160 has 192 divisors, whose sum is σ = 3307288320. Its totient is φ = 408084480.

The previous prime is 1201800143. The next prime is 1201800161. The reversal of 1201800160 is 610081021.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201800161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2775304 + ... + 2775736.

It is an arithmetic number, because the mean of its divisors is an integer number (17225460).

Almost surely, 2^1201800160 is an apocalyptic number.

1201800160 is a gapful number since it is divisible by the number (10) 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 1201800160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1653644160).

1201800160 is an abundant number, since it is smaller than the sum of its proper divisors (2105488160).

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

1201800160 is a wasteful number, since it uses less digits than its factorization.

1201800160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 1201800160 is about 34666.9894856764. The cubic root of 1201800160 is about 1063.1896802058.

Adding to 1201800160 its reverse (610081021), we get a palindrome (1811881181).

The spelling of 1201800160 in words is "one billion, two hundred one million, eight hundred thousand, one hundred sixty".