125045437 has 4 divisors (see below), whose sum is σ = 136413216. Its totient is φ = 113677660.

The previous prime is 125045429. The next prime is 125045471. The reversal of 125045437 is 734540521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125045437 - 2³ = 125045429 is a prime.

It is a super-2 number, since 2×125045437² = 31272722629041938, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125045399 and 125045408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125043437) 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, 5683873 + ... + 5683894.

It is an arithmetic number, because the mean of its divisors is an integer number (34103304).

Almost surely, 2^125045437 is an apocalyptic number.

It is an amenable number.

125045437 is a deficient number, since it is larger than the sum of its proper divisors (11367779).

125045437 is a wasteful number, since it uses less digits than its factorization.

125045437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11367778.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 125045437 is about 11182.3717072900. The cubic root of 125045437 is about 500.0605753276.

Adding to 125045437 its reverse (734540521), we get a palindrome (859585958).

The spelling of 125045437 in words is "one hundred twenty-five million, forty-five thousand, four hundred thirty-seven".