126325251 has 24 divisors (see below), whose sum is σ = 203789040. Its totient is φ = 77736672.

The previous prime is 126325231. The next prime is 126325291. The reversal of 126325251 is 152523621.

It is a happy number.

126325251 is a `hidden beast` number, since 1 + 2 + 632 + 5 + 25 + 1 = 666.

It is not a de Polignac number, because 126325251 - 2¹¹ = 126323203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (126325231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16836 + ... + 23153.

It is an arithmetic number, because the mean of its divisors is an integer number (8491210).

Almost surely, 2^126325251 is an apocalyptic number.

126325251 is a deficient number, since it is larger than the sum of its proper divisors (77463789).

126325251 is an equidigital number, since it uses as much as digits as its factorization.

126325251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40017 (or 40005 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 126325251 is about 11239.4506538354. The cubic root of 126325251 is about 501.7607932686.

Adding to 126325251 its reverse (152523621), we get a palindrome (278848872).

The spelling of 126325251 in words is "one hundred twenty-six million, three hundred twenty-five thousand, two hundred fifty-one".