1061200560 has 80 divisors (see below), whose sum is σ = 3759687936. Its totient is φ = 242559744.

The previous prime is 1061200549. The next prime is 1061200583. The reversal of 1061200560 is 650021601.

It is a happy number.

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

It is a super-2 number, since 2×1061200560² = 2252293257088627200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 314154 + ... + 317513.

Almost surely, 2^1061200560 is an apocalyptic number.

1061200560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1061200560 is an abundant number, since it is smaller than the sum of its proper divisors (2698487376).

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

1061200560 is a wasteful number, since it uses less digits than its factorization.

1061200560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631690 (or 631684 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1061200560 is about 32576.0734282080. The cubic root of 1061200560 is about 1019.9976162959.

The spelling of 1061200560 in words is "one billion, sixty-one million, two hundred thousand, five hundred sixty".