126516039 has 8 divisors (see below), whose sum is σ = 181664112. Its totient is φ = 77856000.

The previous prime is 126516029. The next prime is 126516059. The reversal of 126516039 is 930615621.

It is a happy number.

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

It is not a de Polignac number, because 126516039 - 2⁷ = 126515911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126516029) 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, 1621962 + ... + 1622039.

It is an arithmetic number, because the mean of its divisors is an integer number (22708014).

Almost surely, 2^126516039 is an apocalyptic number.

126516039 is a deficient number, since it is larger than the sum of its proper divisors (55148073).

126516039 is a wasteful number, since it uses less digits than its factorization.

126516039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244017.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 126516039 is about 11247.9348771230. The cubic root of 126516039 is about 502.0132679572.

The spelling of 126516039 in words is "one hundred twenty-six million, five hundred sixteen thousand, thirty-nine".