124434025 has 27 divisors (see below), whose sum is σ = 162978501. Its totient is φ = 94237440.

The previous prime is 124433977. The next prime is 124434029. The reversal of 124434025 is 520434421.

It is a happy number.

The square root of 124434025 is 11155.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 4575321 + 119858704 = 2139^2 + 10948^2 .

It is not a de Polignac number, because 124434025 - 2¹¹ = 124431977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124434029) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1282777 + ... + 1282873.

Almost surely, 2^124434025 is an apocalyptic number.

124434025 is the 11155-th square number.

124434025 is the 5578-th centered octagonal number.

It is an amenable number.

124434025 is a deficient number, since it is larger than the sum of its proper divisors (38544476).

124434025 is an frugal number, since it uses more digits than its factorization.

124434025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The cubic root of 124434025 is about 499.2442248501.

Multiplying 124434025 by its sum of digits (25), we get a square (3110850625 = 55775²).

124434025 divided by its sum of digits (25) gives a square (4977361 = 2231²).

Adding to 124434025 its reverse (520434421), we get a palindrome (644868446).

The spelling of 124434025 in words is "one hundred twenty-four million, four hundred thirty-four thousand, twenty-five".