126726072 has 32 divisors (see below), whose sum is σ = 345617280. Its totient is φ = 38401760.

The previous prime is 126726071. The next prime is 126726077. The reversal of 126726072 is 270627621.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126726071) by changing a digit.

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, 239748 + ... + 240275.

It is an arithmetic number, because the mean of its divisors is an integer number (10800540).

Almost surely, 2^126726072 is an apocalyptic number.

126726072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126726072 is an abundant number, since it is smaller than the sum of its proper divisors (218891208).

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

126726072 is a wasteful number, since it uses less digits than its factorization.

126726072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480043 (or 480039 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 126726072 is about 11257.2675192517. The cubic root of 126726072 is about 502.2909167034.

The spelling of 126726072 in words is "one hundred twenty-six million, seven hundred twenty-six thousand, seventy-two".