126111013 has 8 divisors (see below), whose sum is σ = 144218880. Its totient is φ = 108026160.

The previous prime is 126110989. The next prime is 126111019. The reversal of 126111013 is 310111621.

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 126111013 - 2¹⁷ = 125979941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126111019) 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, 8283 + ... + 17911.

It is an arithmetic number, because the mean of its divisors is an integer number (18027360).

Almost surely, 2^126111013 is an apocalyptic number.

It is an amenable number.

126111013 is a deficient number, since it is larger than the sum of its proper divisors (18107867).

126111013 is an equidigital number, since it uses as much as digits as its factorization.

126111013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11507.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 126111013 is about 11229.9159836572. The cubic root of 126111013 is about 501.4769834107.

Adding to 126111013 its reverse (310111621), we get a palindrome (436222634).

The spelling of 126111013 in words is "one hundred twenty-six million, one hundred eleven thousand, thirteen".