126997130 has 32 divisors (see below), whose sum is σ = 246685824. Its totient is φ = 46794816.

The previous prime is 126997109. The next prime is 126997133. The reversal of 126997130 is 31799621.

It is a happy number.

It is a super-2 number, since 2×126997130² = 32256542056473800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126997133) 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 15 ways as a sum of consecutive naturals, for example, 106397 + ... + 107583.

It is an arithmetic number, because the mean of its divisors is an integer number (7708932).

Almost surely, 2^126997130 is an apocalyptic number.

126997130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126997130 is a deficient number, since it is larger than the sum of its proper divisors (119688694).

126997130 is a wasteful number, since it uses less digits than its factorization.

126997130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 126997130 is about 11269.3003332061. The cubic root of 126997130 is about 502.6487831173.

The spelling of 126997130 in words is "one hundred twenty-six million, nine hundred ninety-seven thousand, one hundred thirty".