125473741 has 4 divisors (see below), whose sum is σ = 125621692. Its totient is φ = 125325792.

The previous prime is 125473729. The next prime is 125473759. The reversal of 125473741 is 147374521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 147374521 = 7 ⋅21053503.

It can be written as a sum of positive squares in 2 ways, for example, as 63536841 + 61936900 = 7971^2 + 7870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125473741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125473697 and 125473706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125473541) 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 3 ways as a sum of consecutive naturals, for example, 72696 + ... + 74401.

It is an arithmetic number, because the mean of its divisors is an integer number (31405423).

Almost surely, 2^125473741 is an apocalyptic number.

It is an amenable number.

125473741 is a deficient number, since it is larger than the sum of its proper divisors (147951).

125473741 is an equidigital number, since it uses as much as digits as its factorization.

125473741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147950.

The product of its digits is 23520, while the sum is 34.

The square root of 125473741 is about 11201.5061933652. The cubic root of 125473741 is about 500.6308583673.

The spelling of 125473741 in words is "one hundred twenty-five million, four hundred seventy-three thousand, seven hundred forty-one".