126034638 has 64 divisors (see below), whose sum is σ = 279072000. Its totient is φ = 37787904.

The previous prime is 126034637. The next prime is 126034661. The reversal of 126034638 is 836430621.

It is a junction number, because it is equal to n+sod(n) for n = 126034599 and 126034608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126034631) 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 31 ways as a sum of consecutive naturals, for example, 221218 + ... + 221786.

It is an arithmetic number, because the mean of its divisors is an integer number (4360500).

Almost surely, 2^126034638 is an apocalyptic number.

126034638 is an abundant number, since it is smaller than the sum of its proper divisors (153037362).

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

126034638 is a wasteful number, since it uses less digits than its factorization.

126034638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 126034638 is about 11226.5149534484. The cubic root of 126034638 is about 501.3757286033.

The spelling of 126034638 in words is "one hundred twenty-six million, thirty-four thousand, six hundred thirty-eight".