125922249 has 8 divisors (see below), whose sum is σ = 186551520. Its totient is φ = 83948148.

The previous prime is 125922241. The next prime is 125922257. The reversal of 125922249 is 942229521.

125922249 is a `hidden beast` number, since 1 + 2 + 592 + 22 + 49 = 666.

It is an interprime number because it is at equal distance from previous prime (125922241) and next prime (125922257).

It is not a de Polignac number, because 125922249 - 2³ = 125922241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125922241) 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, 2331867 + ... + 2331920.

It is an arithmetic number, because the mean of its divisors is an integer number (23318940).

Almost surely, 2^125922249 is an apocalyptic number.

It is an amenable number.

125922249 is a deficient number, since it is larger than the sum of its proper divisors (60629271).

125922249 is an equidigital number, since it uses as much as digits as its factorization.

125922249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4663796 (or 4663790 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 125922249 is about 11221.5083210770. The cubic root of 125922249 is about 501.2266535147.

It can be divided in two parts, 12592 and 2249, that added together give a palindrome (14841).

The spelling of 125922249 in words is "one hundred twenty-five million, nine hundred twenty-two thousand, two hundred forty-nine".