126170538 has 32 divisors (see below), whose sum is σ = 273509376. Its totient is φ = 38570688.

The previous prime is 126170533. The next prime is 126170543. The reversal of 126170538 is 835071621.

It is an interprime number because it is at equal distance from previous prime (126170533) and next prime (126170543).

It is a junction number, because it is equal to n+sod(n) for n = 126170499 and 126170508.

It is not an unprimeable number, because it can be changed into a prime (126170533) 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, 7095 + ... + 17397.

It is an arithmetic number, because the mean of its divisors is an integer number (8547168).

Almost surely, 2^126170538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126170538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136754688).

126170538 is an abundant number, since it is smaller than the sum of its proper divisors (147338838).

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

126170538 is a wasteful number, since it uses less digits than its factorization.

126170538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10478.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 126170538 is about 11232.5659579635. The cubic root of 126170538 is about 501.5558708434. Note that the first 3 decimals are identical.

The spelling of 126170538 in words is "one hundred twenty-six million, one hundred seventy thousand, five hundred thirty-eight".