126387530 has 16 divisors (see below), whose sum is σ = 237389184. Its totient is φ = 48356880.

The previous prime is 126387509. The next prime is 126387533. The reversal of 126387530 is 35783621.

It is not an unprimeable number, because it can be changed into a prime (126387533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274526 + ... + 274985.

It is an arithmetic number, because the mean of its divisors is an integer number (14836824).

Almost surely, 2^126387530 is an apocalyptic number.

126387530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126387530 is a deficient number, since it is larger than the sum of its proper divisors (111001654).

126387530 is a wasteful number, since it uses less digits than its factorization.

126387530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549541.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 126387530 is about 11242.2208660033. The cubic root of 126387530 is about 501.8432366077.

The spelling of 126387530 in words is "one hundred twenty-six million, three hundred eighty-seven thousand, five hundred thirty".