125601445 has 4 divisors (see below), whose sum is σ = 150721740. Its totient is φ = 100481152.

The previous prime is 125601439. The next prime is 125601451. The reversal of 125601445 is 544106521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544106521 = 7 ⋅77729503.

It is an interprime number because it is at equal distance from previous prime (125601439) and next prime (125601451).

It can be written as a sum of positive squares in 2 ways, for example, as 87272964 + 38328481 = 9342^2 + 6191^2 .

It is a cyclic number.

It is not a de Polignac number, because 125601445 - 2²⁵ = 92047013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12560140 + ... + 12560149.

It is an arithmetic number, because the mean of its divisors is an integer number (37680435).

Almost surely, 2^125601445 is an apocalyptic number.

It is an amenable number.

125601445 is a deficient number, since it is larger than the sum of its proper divisors (25120295).

125601445 is an equidigital number, since it uses as much as digits as its factorization.

125601445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25120294.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 125601445 is about 11207.2050485391. The cubic root of 125601445 is about 500.8006439210.

Adding to 125601445 its reverse (544106521), we get a palindrome (669707966).

The spelling of 125601445 in words is "one hundred twenty-five million, six hundred one thousand, four hundred forty-five".