126738790 has 32 divisors (see below), whose sum is σ = 238702464. Its totient is φ = 48399360.

The previous prime is 126738709. The next prime is 126738793. The reversal of 126738790 is 97837621.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126738793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15982 + ... + 22558.

It is an arithmetic number, because the mean of its divisors is an integer number (7459452).

Almost surely, 2^126738790 is an apocalyptic number.

126738790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126738790 is a deficient number, since it is larger than the sum of its proper divisors (111963674).

126738790 is a wasteful number, since it uses less digits than its factorization.

126738790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6672.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 126738790 is about 11257.8323846112. The cubic root of 126738790 is about 502.3077191448.

The spelling of 126738790 in words is "one hundred twenty-six million, seven hundred thirty-eight thousand, seven hundred ninety".