1052905730 has 24 divisors (see below), whose sum is σ = 1981224252. Its totient is φ = 402848864.

The previous prime is 1052905699. The next prime is 1052905747. The reversal of 1052905730 is 375092501.

It can be written as a sum of positive squares in 2 ways, for example, as 962674729 + 90231001 = 31027^2 + 9499^2 .

It is a super-2 number, since 2×1052905730² = 2217220952533665800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94229 + ... + 104808.

Almost surely, 2^1052905730 is an apocalyptic number.

1052905730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1052905730 is a deficient number, since it is larger than the sum of its proper divisors (928318522).

1052905730 is a wasteful number, since it uses less digits than its factorization.

1052905730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199090 (or 199067 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 1052905730 is about 32448.5089025675. The cubic root of 1052905730 is about 1017.3330721214. Note that the first 3 decimals are identical.

The spelling of 1052905730 in words is "one billion, fifty-two million, nine hundred five thousand, seven hundred thirty".