126040085 has 4 divisors (see below), whose sum is σ = 151248108. Its totient is φ = 100832064.

The previous prime is 126040081. The next prime is 126040097. The reversal of 126040085 is 580040621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54789604 + 71250481 = 7402^2 + 8441^2 .

It is a cyclic number.

It is not a de Polignac number, because 126040085 - 2² = 126040081 is a prime.

It is a super-2 number, since 2×126040085² = 31772206053614450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126040081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12604004 + ... + 12604013.

It is an arithmetic number, because the mean of its divisors is an integer number (37812027).

Almost surely, 2^126040085 is an apocalyptic number.

It is an amenable number.

126040085 is a deficient number, since it is larger than the sum of its proper divisors (25208023).

126040085 is an equidigital number, since it uses as much as digits as its factorization.

126040085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25208022.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 126040085 is about 11226.7575461484. The cubic root of 126040085 is about 501.3829513644.

The spelling of 126040085 in words is "one hundred twenty-six million, forty thousand, eighty-five".