125111653 has 4 divisors (see below), whose sum is σ = 132471180. Its totient is φ = 117752128.

The previous prime is 125111633. The next prime is 125111717. The reversal of 125111653 is 356111521.

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: 356111521 = 251 ⋅1418771.

It can be written as a sum of positive squares in 2 ways, for example, as 94828644 + 30283009 = 9738^2 + 5503^2 .

It is a cyclic number.

It is not a de Polignac number, because 125111653 - 2⁵ = 125111621 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 (125111633) 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, 3679738 + ... + 3679771.

It is an arithmetic number, because the mean of its divisors is an integer number (33117795).

Almost surely, 2^125111653 is an apocalyptic number.

It is an amenable number.

125111653 is a deficient number, since it is larger than the sum of its proper divisors (7359527).

125111653 is an equidigital number, since it uses as much as digits as its factorization.

125111653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7359526.

The product of its digits is 900, while the sum is 25.

The square root of 125111653 is about 11185.3320469265. The cubic root of 125111653 is about 500.1488263637.

The spelling of 125111653 in words is "one hundred twenty-five million, one hundred eleven thousand, six hundred fifty-three".