1207017680 has 80 divisors (see below), whose sum is σ = 3241560384. Its totient is φ = 413091840.

The previous prime is 1207017677. The next prime is 1207017701. The reversal of 1207017680 is 867107021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25382 + ... + 55301.

Almost surely, 2^1207017680 is an apocalyptic number.

1207017680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1207017680 is an abundant number, since it is smaller than the sum of its proper divisors (2034542704).

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

1207017680 is a wasteful number, since it uses less digits than its factorization.

1207017680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80724 (or 80718 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 1207017680 is about 34742.1599789075. The cubic root of 1207017680 is about 1064.7260435478.

The spelling of 1207017680 in words is "one billion, two hundred seven million, seventeen thousand, six hundred eighty".