125106413 has 6 divisors (see below), whose sum is σ = 125605674. Its totient is φ = 124609056.

The previous prime is 125106409. The next prime is 125106437. The reversal of 125106413 is 314601521.

It can be written as a sum of positive squares in 3 ways, for example, as 6666724 + 118439689 = 2582^2 + 10883^2 .

It is not a de Polignac number, because 125106413 - 2² = 125106409 is a prime.

It is a super-2 number, since 2×125106413² = 31303229147453138, which contains 22 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 (125106403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97331 + ... + 98607.

It is an arithmetic number, because the mean of its divisors is an integer number (20934279).

Almost surely, 2^125106413 is an apocalyptic number.

It is an amenable number.

125106413 is a deficient number, since it is larger than the sum of its proper divisors (499261).

125106413 is an frugal number, since it uses more digits than its factorization.

125106413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903 (or 1590 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 125106413 is about 11185.0978091387. The cubic root of 125106413 is about 500.1418437569.

Adding to 125106413 its reverse (314601521), we get a palindrome (439707934).

The spelling of 125106413 in words is "one hundred twenty-five million, one hundred six thousand, four hundred thirteen".