1201681488 has 60 divisors (see below), whose sum is σ = 3611182560. Its totient is φ = 343336896.

The previous prime is 1201681463. The next prime is 1201681501. The reversal of 1201681488 is 8841861021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253108 + ... + 257811.

It is an arithmetic number, because the mean of its divisors is an integer number (60186376).

Almost surely, 2^1201681488 is an apocalyptic number.

It is an amenable number.

1201681488 is an abundant number, since it is smaller than the sum of its proper divisors (2409501072).

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

1201681488 is a wasteful number, since it uses less digits than its factorization.

1201681488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510944 (or 510931 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 39.

The square root of 1201681488 is about 34665.2778439752. The cubic root of 1201681488 is about 1063.1546840939.

The spelling of 1201681488 in words is "one billion, two hundred one million, six hundred eighty-one thousand, four hundred eighty-eight".