125278741 has 12 divisors (see below), whose sum is σ = 146371212. Its totient is φ = 106911168.

The previous prime is 125278733. The next prime is 125278757. The reversal of 125278741 is 147872521.

It can be written as a sum of positive squares in 2 ways, for example, as 46867716 + 78411025 = 6846^2 + 8855^2 .

It is not a de Polignac number, because 125278741 - 2³ = 125278733 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125278741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125278721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5931 + ... + 16903.

It is an arithmetic number, because the mean of its divisors is an integer number (12197601).

Almost surely, 2^125278741 is an apocalyptic number.

It is an amenable number.

125278741 is a deficient number, since it is larger than the sum of its proper divisors (21092471).

125278741 is a wasteful number, since it uses less digits than its factorization.

125278741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11220 (or 11213 counting only the distinct ones).

The product of its digits is 31360, while the sum is 37.

The square root of 125278741 is about 11192.7986223286. The cubic root of 125278741 is about 500.3713787540.

The spelling of 125278741 in words is "one hundred twenty-five million, two hundred seventy-eight thousand, seven hundred forty-one".