1201840788 has 48 divisors (see below), whose sum is σ = 2856067200. Its totient is φ = 393244800.

The previous prime is 1201840769. The next prime is 1201840819. The reversal of 1201840788 is 8870481021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437098 + ... + 439838.

It is an arithmetic number, because the mean of its divisors is an integer number (59501400).

Almost surely, 2^1201840788 is an apocalyptic number.

It is an amenable number.

1201840788 is an abundant number, since it is smaller than the sum of its proper divisors (1654226412).

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

1201840788 is a wasteful number, since it uses less digits than its factorization.

1201840788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408 (or 3406 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 39.

The square root of 1201840788 is about 34667.5754560367. The cubic root of 1201840788 is about 1063.2016607844.

The spelling of 1201840788 in words is "one billion, two hundred one million, eight hundred forty thousand, seven hundred eighty-eight".