125137743 has 8 divisors (see below), whose sum is σ = 175632000. Its totient is φ = 79034328.

The previous prime is 125137741. The next prime is 125137751. The reversal of 125137743 is 347731521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125137743 - 2¹ = 125137741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125137741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1097643 + ... + 1097756.

It is an arithmetic number, because the mean of its divisors is an integer number (21954000).

Almost surely, 2^125137743 is an apocalyptic number.

125137743 is a deficient number, since it is larger than the sum of its proper divisors (50494257).

125137743 is a wasteful number, since it uses less digits than its factorization.

125137743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195421.

The product of its digits is 17640, while the sum is 33.

The square root of 125137743 is about 11186.4982456531. The cubic root of 125137743 is about 500.1835899146.

The spelling of 125137743 in words is "one hundred twenty-five million, one hundred thirty-seven thousand, seven hundred forty-three".