126611153 has 8 divisors (see below), whose sum is σ = 127801800. Its totient is φ = 125424640.

The previous prime is 126611137. The next prime is 126611171. The reversal of 126611153 is 351116621.

It can be written as a sum of positive squares in 4 ways, for example, as 28858384 + 97752769 = 5372^2 + 9887^2 .

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 126611153 - 2⁴ = 126611137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126610153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120173 + ... + 121221.

It is an arithmetic number, because the mean of its divisors is an integer number (15975225).

Almost surely, 2^126611153 is an apocalyptic number.

It is an amenable number.

126611153 is a deficient number, since it is larger than the sum of its proper divisors (1190647).

126611153 is a wasteful number, since it uses less digits than its factorization.

126611153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067.

The product of its digits is 1080, while the sum is 26.

The square root of 126611153 is about 11252.1621477830. The cubic root of 126611153 is about 502.1390399665.

Adding to 126611153 its reverse (351116621), we get a palindrome (477727774).

The spelling of 126611153 in words is "one hundred twenty-six million, six hundred eleven thousand, one hundred fifty-three".