1201002388 has 48 divisors (see below), whose sum is σ = 2279428480. Its totient is φ = 551753856.

The previous prime is 1201002373. The next prime is 1201002389. The reversal of 1201002388 is 8832001021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201002389) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1369006 + ... + 1369882.

Almost surely, 2^1201002388 is an apocalyptic number.

It is an amenable number.

1201002388 is a deficient number, since it is larger than the sum of its proper divisors (1078426092).

1201002388 is a wasteful number, since it uses less digits than its factorization.

1201002388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424 (or 1422 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1201002388 is about 34655.4813557682. The cubic root of 1201002388 is about 1062.9543746662.

The spelling of 1201002388 in words is "one billion, two hundred one million, two thousand, three hundred eighty-eight".