126764773 has 4 divisors (see below), whose sum is σ = 126895500. Its totient is φ = 126634048.

The previous prime is 126764761. The next prime is 126764777. The reversal of 126764773 is 377467621.

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

It can be written as a sum of positive squares in 2 ways, for example, as 103897249 + 22867524 = 10193^2 + 4782^2 .

It is a cyclic number.

It is not a de Polignac number, because 126764773 - 2¹⁷ = 126633701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126764777) 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, 63898 + ... + 65851.

It is an arithmetic number, because the mean of its divisors is an integer number (31723875).

Almost surely, 2^126764773 is an apocalyptic number.

It is an amenable number.

126764773 is a deficient number, since it is larger than the sum of its proper divisors (130727).

126764773 is an equidigital number, since it uses as much as digits as its factorization.

126764773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130726.

The product of its digits is 296352, while the sum is 43.

The square root of 126764773 is about 11258.9863220452. The cubic root of 126764773 is about 502.3420432053.

The spelling of 126764773 in words is "one hundred twenty-six million, seven hundred sixty-four thousand, seven hundred seventy-three".