123457425 has 48 divisors (see below), whose sum is σ = 251233920. Its totient is φ = 52093440.

The previous prime is 123457423. The next prime is 123457463. The reversal of 123457425 is 524754321.

It is not a de Polignac number, because 123457425 - 2¹ = 123457423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123457423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2220 + ... + 15869.

It is an arithmetic number, because the mean of its divisors is an integer number (5234040).

Almost surely, 2^123457425 is an apocalyptic number.

123457425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123457425 is an abundant number, since it is smaller than the sum of its proper divisors (127776495).

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

123457425 is a wasteful number, since it uses less digits than its factorization.

123457425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18122 (or 18117 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 123457425 is about 11111.1396805188. The cubic root of 123457425 is about 497.9347142687.

The spelling of 123457425 in words is "one hundred twenty-three million, four hundred fifty-seven thousand, four hundred twenty-five".