125143471 has 4 divisors (see below), whose sum is σ = 127011352. Its totient is φ = 123275592.

The previous prime is 125143457. The next prime is 125143489. The reversal of 125143471 is 174341521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 174341521 = 37 ⋅4711933.

It is a cyclic number.

It is not a de Polignac number, because 125143471 - 2⁹ = 125142959 is a prime.

It is a super-3 number, since 3×125143471³ (a number of 25 digits) contains 333 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 (125143411) 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, 933840 + ... + 933973.

It is an arithmetic number, because the mean of its divisors is an integer number (31752838).

Almost surely, 2^125143471 is an apocalyptic number.

125143471 is a deficient number, since it is larger than the sum of its proper divisors (1867881).

125143471 is an equidigital number, since it uses as much as digits as its factorization.

125143471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867880.

The product of its digits is 3360, while the sum is 28.

The square root of 125143471 is about 11186.7542656483. The cubic root of 125143471 is about 500.1912215260.

Adding to 125143471 its reverse (174341521), we get a palindrome (299484992).

The spelling of 125143471 in words is "one hundred twenty-five million, one hundred forty-three thousand, four hundred seventy-one".