126072734 has 16 divisors (see below), whose sum is σ = 192931200. Its totient is φ = 61769304.

The previous prime is 126072719. The next prime is 126072757. The reversal of 126072734 is 437270621.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 126072734.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39407 + ... + 42485.

It is an arithmetic number, because the mean of its divisors is an integer number (12058200).

Almost surely, 2^126072734 is an apocalyptic number.

126072734 is a deficient number, since it is larger than the sum of its proper divisors (66858466).

126072734 is a wasteful number, since it uses less digits than its factorization.

126072734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3487.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 126072734 is about 11228.2115227671. The cubic root of 126072734 is about 501.4262398117.

The spelling of 126072734 in words is "one hundred twenty-six million, seventy-two thousand, seven hundred thirty-four".