1207561960 has 32 divisors (see below), whose sum is σ = 2964016800. Its totient is φ = 439113280.

The previous prime is 1207561951. The next prime is 1207561961. The reversal of 1207561960 is 691657021.

It is not an unprimeable number, because it can be changed into a prime (1207561961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371790 + ... + 1372669.

It is an arithmetic number, because the mean of its divisors is an integer number (92625525).

Almost surely, 2^1207561960 is an apocalyptic number.

1207561960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1207561960 is an abundant number, since it is smaller than the sum of its proper divisors (1756454840).

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

1207561960 is a wasteful number, since it uses less digits than its factorization.

1207561960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744481 (or 2744477 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 1207561960 is about 34749.9922302150. The cubic root of 1207561960 is about 1064.8860583282.

The spelling of 1207561960 in words is "one billion, two hundred seven million, five hundred sixty-one thousand, nine hundred sixty".