125047237 has 4 divisors (see below), whose sum is σ = 142911136. Its totient is φ = 107183340.

The previous prime is 125047231. The next prime is 125047249. The reversal of 125047237 is 732740521.

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, and also an emirpimes, since its reverse is a distinct semiprime: 732740521 = 31 ⋅23636791.

It is a cyclic number.

It is not a de Polignac number, because 125047237 - 2¹¹ = 125045189 is a prime.

It is a super-2 number, since 2×125047237² = 31273622962668338, 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 = 125047199 and 125047208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125047231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8931939 + ... + 8931952.

It is an arithmetic number, because the mean of its divisors is an integer number (35727784).

Almost surely, 2^125047237 is an apocalyptic number.

It is an amenable number.

125047237 is a deficient number, since it is larger than the sum of its proper divisors (17863899).

125047237 is an equidigital number, since it uses as much as digits as its factorization.

125047237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17863898.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 125047237 is about 11182.4521908211. The cubic root of 125047237 is about 500.0629747347.

Adding to 125047237 its reverse (732740521), we get a palindrome (857787758).

The spelling of 125047237 in words is "one hundred twenty-five million, forty-seven thousand, two hundred thirty-seven".