125142671 has 4 divisors (see below), whose sum is σ = 125440344. Its totient is φ = 124845000.

The previous prime is 125142653. The next prime is 125142697. The reversal of 125142671 is 176241521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125142671 - 2¹⁰ = 125141647 is a prime.

It is a super-3 number, since 3×125142671³ (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 (125142601) 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, 148205 + ... + 149046.

It is an arithmetic number, because the mean of its divisors is an integer number (31360086).

Almost surely, 2^125142671 is an apocalyptic number.

125142671 is a deficient number, since it is larger than the sum of its proper divisors (297673).

125142671 is an equidigital number, since it uses as much as digits as its factorization.

125142671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297672.

The product of its digits is 3360, while the sum is 29.

The square root of 125142671 is about 11186.7185090177. The cubic root of 125142671 is about 500.1901556725.

The spelling of 125142671 in words is "one hundred twenty-five million, one hundred forty-two thousand, six hundred seventy-one".