125321456 has 40 divisors (see below), whose sum is σ = 262535280. Its totient is φ = 57609216.

The previous prime is 125321401. The next prime is 125321459. The reversal of 125321456 is 654123521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125321459) 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, 57800 + ... + 59928.

It is an arithmetic number, because the mean of its divisors is an integer number (6563382).

Almost surely, 2^125321456 is an apocalyptic number.

125321456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125321456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131267640).

125321456 is an abundant number, since it is smaller than the sum of its proper divisors (137213824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125321456 is a wasteful number, since it uses less digits than its factorization.

125321456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433 (or 2427 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 125321456 is about 11194.7066062492. The cubic root of 125321456 is about 500.4282411144.

Adding to 125321456 its reverse (654123521), we get a palindrome (779444977).

The spelling of 125321456 in words is "one hundred twenty-five million, three hundred twenty-one thousand, four hundred fifty-six".