126260705 has 8 divisors (see below), whose sum is σ = 151585512. Its totient is φ = 100960128.

The previous prime is 126260699. The next prime is 126260773. The reversal of 126260705 is 507062621.

It can be written as a sum of positive squares in 4 ways, for example, as 1201216 + 125059489 = 1096^2 + 11183^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126260705 is a prime.

It is a Duffinian 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, 8669 + ... + 18101.

It is an arithmetic number, because the mean of its divisors is an integer number (18948189).

Almost surely, 2^126260705 is an apocalyptic number.

It is an amenable number.

126260705 is a deficient number, since it is larger than the sum of its proper divisors (25324807).

126260705 is an equidigital number, since it uses as much as digits as its factorization.

126260705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12115.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 126260705 is about 11236.5788832723. The cubic root of 126260705 is about 501.6753203341.

The spelling of 126260705 in words is "one hundred twenty-six million, two hundred sixty thousand, seven hundred five".