126762730 has 8 divisors (see below), whose sum is σ = 228172932. Its totient is φ = 50705088.

The previous prime is 126762709. The next prime is 126762731. The reversal of 126762730 is 37267621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 123943689 + 2819041 = 11133^2 + 1679^2 .

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

It is not an unprimeable number, because it can be changed into a prime (126762731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6338127 + ... + 6338146.

Almost surely, 2^126762730 is an apocalyptic number.

126762730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126762730 is a deficient number, since it is larger than the sum of its proper divisors (101410202).

126762730 is a wasteful number, since it uses less digits than its factorization.

126762730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12676280.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 126762730 is about 11258.8955941513. The cubic root of 126762730 is about 502.3393445315.

The spelling of 126762730 in words is "one hundred twenty-six million, seven hundred sixty-two thousand, seven hundred thirty".