126933305 has 8 divisors (see below), whose sum is σ = 161280072. Its totient is φ = 95573248.

The previous prime is 126933293. The next prime is 126933307. The reversal of 126933305 is 503339621.

It can be written as a sum of positive squares in 4 ways, for example, as 72454144 + 54479161 = 8512^2 + 7381^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126933305 - 2⁶ = 126933241 is a prime.

It is a super-2 number, since 2×126933305² = 32224127836446050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126933307) 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, 746582 + ... + 746751.

It is an arithmetic number, because the mean of its divisors is an integer number (20160009).

Almost surely, 2^126933305 is an apocalyptic number.

It is an amenable number.

126933305 is a deficient number, since it is larger than the sum of its proper divisors (34346767).

126933305 is a wasteful number, since it uses less digits than its factorization.

126933305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493355.

The product of its (nonzero) digits is 14580, while the sum is 32.

The square root of 126933305 is about 11266.4681688629. The cubic root of 126933305 is about 502.5645635383.

The spelling of 126933305 in words is "one hundred twenty-six million, nine hundred thirty-three thousand, three hundred five".