126775307 has 4 divisors (see below), whose sum is σ = 134232696. Its totient is φ = 119317920.

The previous prime is 126775303. The next prime is 126775349. The reversal of 126775307 is 703577621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126775307 - 2² = 126775303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126775303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3728669 + ... + 3728702.

It is an arithmetic number, because the mean of its divisors is an integer number (33558174).

Almost surely, 2^126775307 is an apocalyptic number.

126775307 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

126775307 is a deficient number, since it is larger than the sum of its proper divisors (7457389).

126775307 is an equidigital number, since it uses as much as digits as its factorization.

126775307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7457388.

The product of its (nonzero) digits is 61740, while the sum is 38.

The square root of 126775307 is about 11259.4541164303. The cubic root of 126775307 is about 502.3559574928.

The spelling of 126775307 in words is "one hundred twenty-six million, seven hundred seventy-five thousand, three hundred seven".