126017141 has 4 divisors (see below), whose sum is σ = 133429932. Its totient is φ = 118604352.

The previous prime is 126017137. The next prime is 126017159. The reversal of 126017141 is 141710621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 141710621 = 13 ⋅10900817.

It can be written as a sum of positive squares in 2 ways, for example, as 72420100 + 53597041 = 8510^2 + 7321^2 .

It is a cyclic number.

It is not a de Polignac number, because 126017141 - 2² = 126017137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126017131) 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, 3706370 + ... + 3706403.

It is an arithmetic number, because the mean of its divisors is an integer number (33357483).

Almost surely, 2^126017141 is an apocalyptic number.

It is an amenable number.

126017141 is a deficient number, since it is larger than the sum of its proper divisors (7412791).

126017141 is an equidigital number, since it uses as much as digits as its factorization.

126017141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7412790.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 126017141 is about 11225.7356551809. The cubic root of 126017141 is about 501.3525260476.

Adding to 126017141 its reverse (141710621), we get a palindrome (267727762).

The spelling of 126017141 in words is "one hundred twenty-six million, seventeen thousand, one hundred forty-one".