126072029 has 8 divisors (see below), whose sum is σ = 127461600. Its totient is φ = 124690000.

The previous prime is 126071999. The next prime is 126072031. The reversal of 126072029 is 920270621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126072029 - 2²⁴ = 109294813 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 126071992 and 126072010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126072329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35714 + ... + 39084.

It is an arithmetic number, because the mean of its divisors is an integer number (15932700).

Almost surely, 2^126072029 is an apocalyptic number.

It is an amenable number.

126072029 is a deficient number, since it is larger than the sum of its proper divisors (1389571).

126072029 is a wasteful number, since it uses less digits than its factorization.

126072029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3771.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 126072029 is about 11228.1801285872. The cubic root of 126072029 is about 501.4253051498.

The spelling of 126072029 in words is "one hundred twenty-six million, seventy-two thousand, twenty-nine".