125234424265 has 4 divisors (see below), whose sum is σ = 150281309124. Its totient is φ = 100187539408.

The previous prime is 125234424257. The next prime is 125234424349. The reversal of 125234424265 is 562424432521.

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

It can be written as a sum of positive squares in 2 ways, for example, as 64152784656 + 61081639609 = 253284^2 + 247147^2 .

It is a cyclic number.

It is not a de Polignac number, because 125234424265 - 2³ = 125234424257 is a prime.

It is a super-2 number, since 2×125234424265² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12523442422 + ... + 12523442431.

It is an arithmetic number, because the mean of its divisors is an integer number (37570327281).

Almost surely, 2^125234424265 is an apocalyptic number.

It is an amenable number.

125234424265 is a deficient number, since it is larger than the sum of its proper divisors (25046884859).

125234424265 is an equidigital number, since it uses as much as digits as its factorization.

125234424265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25046884858.

The product of its digits is 460800, while the sum is 40.

Adding to 125234424265 its reverse (562424432521), we get a palindrome (687658856786).

The spelling of 125234424265 in words is "one hundred twenty-five billion, two hundred thirty-four million, four hundred twenty-four thousand, two hundred sixty-five".