123415425 has 72 divisors (see below), whose sum is σ = 255031296. Its totient is φ = 55883520.

The previous prime is 123415423. The next prime is 123415477. The reversal of 123415425 is 524514321.

123415425 is a `hidden beast` number, since 1 + 234 + 1 + 5 + 425 = 666.

It is not a de Polignac number, because 123415425 - 2¹ = 123415423 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123415423) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 199717 + ... + 200333.

Almost surely, 2^123415425 is an apocalyptic number.

123415425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123415425 is an abundant number, since it is smaller than the sum of its proper divisors (131615871).

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

123415425 is a wasteful number, since it uses less digits than its factorization.

123415425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767 (or 759 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 123415425 is about 11109.2495246079. The cubic root of 123415425 is about 497.8782423581.

Adding to 123415425 its reverse (524514321), we get a palindrome (647929746).

It can be divided in two parts, 12341 and 5425, that added together give a triangular number (17766 = T₁₈₈).

The spelling of 123415425 in words is "one hundred twenty-three million, four hundred fifteen thousand, four hundred twenty-five".