1201002288 has 40 divisors (see below), whose sum is σ = 3209578800. Its totient is φ = 386529024.

The previous prime is 1201002287. The next prime is 1201002311. The reversal of 1201002288 is 8822001021.

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 (1201002287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430003 + ... + 432786.

It is an arithmetic number, because the mean of its divisors is an integer number (80239470).

Almost surely, 2^1201002288 is an apocalyptic number.

It is an amenable number.

1201002288 is an abundant number, since it is smaller than the sum of its proper divisors (2008576512).

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

1201002288 is a wasteful number, since it uses less digits than its factorization.

1201002288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862829 (or 862823 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 1201002288 is about 34655.4799129950. The cubic root of 1201002288 is about 1062.9543451644.

The spelling of 1201002288 in words is "one billion, two hundred one million, two thousand, two hundred eighty-eight".