1201806672 has 80 divisors (see below), whose sum is σ = 3534202368. Its totient is φ = 348346240.

The previous prime is 1201806631. The next prime is 1201806701. The reversal of 1201806672 is 2766081021.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 37338 + ... + 61625.

Almost surely, 2^1201806672 is an apocalyptic number.

1201806672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201806672 is an abundant number, since it is smaller than the sum of its proper divisors (2332395696).

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

1201806672 is a wasteful number, since it uses less digits than its factorization.

1201806672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99008 (or 99002 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1201806672 is about 34667.0834077515. The cubic root of 1201806672 is about 1063.1916005136.

Adding to 1201806672 its reverse (2766081021), we get a palindrome (3967887693).

The spelling of 1201806672 in words is "one billion, two hundred one million, eight hundred six thousand, six hundred seventy-two".