1061205104 has 40 divisors (see below), whose sum is σ = 2126530560. Its totient is φ = 512710848.

The previous prime is 1061205097. The next prime is 1061205133. The reversal of 1061205104 is 4015021601.

It is a super-2 number, since 2×1061205104² = 2252312545511301632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50477 + ... + 68339.

It is an arithmetic number, because the mean of its divisors is an integer number (53163264).

Almost surely, 2^1061205104 is an apocalyptic number.

It is an amenable number.

1061205104 is an abundant number, since it is smaller than the sum of its proper divisors (1065325456).

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

1061205104 is a wasteful number, since it uses less digits than its factorization.

1061205104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17997 (or 17991 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1061205104 is about 32576.1431725734. The cubic root of 1061205104 is about 1019.9990721509. Note that the first 3 decimals are identical.

Adding to 1061205104 its reverse (4015021601), we get a palindrome (5076226705).

The spelling of 1061205104 in words is "one billion, sixty-one million, two hundred five thousand, one hundred four".