1066115300 has 36 divisors (see below), whose sum is σ = 2351409396. Its totient is φ = 419452800.

The previous prime is 1066115257. The next prime is 1066115311. The reversal of 1066115300 is 35116601.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4919524 + 1061195776 = 2218^2 + 32576^2 .

It is a super-2 number, since 2×1066115300² = 2273203665788180000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81287 + ... + 93486.

Almost surely, 2^1066115300 is an apocalyptic number.

1066115300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066115300 is an abundant number, since it is smaller than the sum of its proper divisors (1285294096).

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

1066115300 is a wasteful number, since it uses less digits than its factorization.

1066115300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174848 (or 174841 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1066115300 is about 32651.4211023043. The cubic root of 1066115300 is about 1021.5698305669.

The spelling of 1066115300 in words is "one billion, sixty-six million, one hundred fifteen thousand, three hundred".