126765667 has 4 divisors (see below), whose sum is σ = 144875056. Its totient is φ = 108656280.

The previous prime is 126765659. The next prime is 126765707. The reversal of 126765667 is 766567621.

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 126765667 - 2³ = 126765659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126765647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9054684 + ... + 9054697.

It is an arithmetic number, because the mean of its divisors is an integer number (36218764).

Almost surely, 2^126765667 is an apocalyptic number.

126765667 is a deficient number, since it is larger than the sum of its proper divisors (18109389).

126765667 is an equidigital number, since it uses as much as digits as its factorization.

126765667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18109388.

The product of its digits is 635040, while the sum is 46.

The square root of 126765667 is about 11259.0260235955. The cubic root of 126765667 is about 502.3432241136.

The spelling of 126765667 in words is "one hundred twenty-six million, seven hundred sixty-five thousand, six hundred sixty-seven".