125345003101 has 4 divisors (see below), whose sum is σ = 127062058012. Its totient is φ = 123627948192.

The previous prime is 125345003081. The next prime is 125345003117. The reversal of 125345003101 is 101300543521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 108418732900 + 16926270201 = 329270^2 + 130101^2 .

It is a cyclic number.

It is not a de Polignac number, because 125345003101 - 2⁹ = 125345002589 is a prime.

It is a super-2 number, since 2×125345003101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125345003191) 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, 858527346 + ... + 858527491.

It is an arithmetic number, because the mean of its divisors is an integer number (31765514503).

Almost surely, 2^125345003101 is an apocalyptic number.

It is an amenable number.

125345003101 is a deficient number, since it is larger than the sum of its proper divisors (1717054911).

125345003101 is an equidigital number, since it uses as much as digits as its factorization.

125345003101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717054910.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 125345003101 its reverse (101300543521), we get a palindrome (226645546622).

The spelling of 125345003101 in words is "one hundred twenty-five billion, three hundred forty-five million, three thousand, one hundred one".