125252525247 has 8 divisors (see below), whose sum is σ = 167068689456. Its totient is φ = 83469022272.

The previous prime is 125252525221. The next prime is 125252525273. The reversal of 125252525247 is 742525252521.

It is an interprime number because it is at equal distance from previous prime (125252525221) and next prime (125252525273).

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

It is not a de Polignac number, because 125252525247 - 2⁷ = 125252525119 is a prime.

It is a super-2 number, since 2×125252525247² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125252525199 and 125252525208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125252525297) 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, 8156358 + ... + 8171699.

It is an arithmetic number, because the mean of its divisors is an integer number (20883586182).

Almost surely, 2^125252525247 is an apocalyptic number.

125252525247 is a deficient number, since it is larger than the sum of its proper divisors (41816164209).

125252525247 is a wasteful number, since it uses less digits than its factorization.

125252525247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16330617.

The product of its digits is 560000, while the sum is 42.

Adding to 125252525247 its reverse (742525252521), we get a palindrome (867777777768).

The spelling of 125252525247 in words is "one hundred twenty-five billion, two hundred fifty-two million, five hundred twenty-five thousand, two hundred forty-seven".