126501650 has 24 divisors (see below), whose sum is σ = 256684464. Its totient is φ = 46000400.

The previous prime is 126501637. The next prime is 126501653. The reversal of 126501650 is 56105621.

It is not an unprimeable number, because it can be changed into a prime (126501653) 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 11 ways as a sum of consecutive naturals, for example, 114452 + ... + 115551.

It is an arithmetic number, because the mean of its divisors is an integer number (10695186).

Almost surely, 2^126501650 is an apocalyptic number.

126501650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126501650 is an abundant number, since it is smaller than the sum of its proper divisors (130182814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126501650 is a wasteful number, since it uses less digits than its factorization.

126501650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230026 (or 230021 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 126501650 is about 11247.2952304098. The cubic root of 126501650 is about 501.9942354750.

The spelling of 126501650 in words is "one hundred twenty-six million, five hundred one thousand, six hundred fifty".