1201102002 has 12 divisors (see below), whose sum is σ = 2602387710. Its totient is φ = 400367328.

The previous prime is 1201101991. The next prime is 1201102013. The reversal of 1201102002 is 2002011021.

It is an interprime number because it is at equal distance from previous prime (1201101991) and next prime (1201102013).

It can be written as a sum of positive squares in only one way, i.e., 1144536561 + 56565441 = 33831^2 + 7521^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33363927 + ... + 33363962.

Almost surely, 2^1201102002 is an apocalyptic number.

1201102002 is an abundant number, since it is smaller than the sum of its proper divisors (1401285708).

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

1201102002 is a wasteful number, since it uses less digits than its factorization.

1201102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66727897 (or 66727894 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1201102002 is about 34656.9185300713. The cubic root of 1201102002 is about 1062.9837618434.

Adding to 1201102002 its reverse (2002011021), we get a palindrome (3203113023).

The spelling of 1201102002 in words is "one billion, two hundred one million, one hundred two thousand, two".