126672130 has 16 divisors (see below), whose sum is σ = 245549304. Its totient is φ = 46771200.

The previous prime is 126672121. The next prime is 126672131. The reversal of 126672130 is 31276621.

It can be written as a sum of positive squares in 4 ways, for example, as 68409441 + 58262689 = 8271^2 + 7633^2 .

It is not an unprimeable number, because it can be changed into a prime (126672131) 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 7 ways as a sum of consecutive naturals, for example, 487071 + ... + 487330.

Almost surely, 2^126672130 is an apocalyptic number.

126672130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126672130 is a deficient number, since it is larger than the sum of its proper divisors (118877174).

126672130 is a wasteful number, since it uses less digits than its factorization.

126672130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974421.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 126672130 is about 11254.8713897583. The cubic root of 126672130 is about 502.2196384956.

The spelling of 126672130 in words is "one hundred twenty-six million, six hundred seventy-two thousand, one hundred thirty".