126111953 has 8 divisors (see below), whose sum is σ = 139462176. Its totient is φ = 113076000.

The previous prime is 126111929. The next prime is 126111989. The reversal of 126111953 is 359111621.

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 126111953 - 2¹⁸ = 125849809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126111653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77723 + ... + 79328.

It is an arithmetic number, because the mean of its divisors is an integer number (17432772).

Almost surely, 2^126111953 is an apocalyptic number.

It is an amenable number.

126111953 is a deficient number, since it is larger than the sum of its proper divisors (13350223).

126111953 is a wasteful number, since it uses less digits than its factorization.

126111953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157135.

The product of its digits is 1620, while the sum is 29.

The square root of 126111953 is about 11229.9578360740. The cubic root of 126111953 is about 501.4782293690.

The spelling of 126111953 in words is "one hundred twenty-six million, one hundred eleven thousand, nine hundred fifty-three".