126927799 has 4 divisors (see below), whose sum is σ = 128534560. Its totient is φ = 125321040.

The previous prime is 126927781. The next prime is 126927839. The reversal of 126927799 is 997729621.

It is a happy number.

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 126927799 - 2¹⁵ = 126895031 is a prime.

It is a super-2 number, since 2×126927799² = 32221332317968802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126927709) 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, 803262 + ... + 803419.

It is an arithmetic number, because the mean of its divisors is an integer number (32133640).

Almost surely, 2^126927799 is an apocalyptic number.

126927799 is a deficient number, since it is larger than the sum of its proper divisors (1606761).

126927799 is an equidigital number, since it uses as much as digits as its factorization.

126927799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606760.

The product of its digits is 857304, while the sum is 52.

The square root of 126927799 is about 11266.2238127955. The cubic root of 126927799 is about 502.5572968336.

The spelling of 126927799 in words is "one hundred twenty-six million, nine hundred twenty-seven thousand, seven hundred ninety-nine".