125312418 has 96 divisors (see below), whose sum is σ = 353313792. Its totient is φ = 31125600.

The previous prime is 125312413. The next prime is 125312431. The reversal of 125312418 is 814213521.

It is a junction number, because it is equal to n+sod(n) for n = 125312391 and 125312400.

It is not an unprimeable number, because it can be changed into a prime (125312413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29913 + ... + 33843.

It is an arithmetic number, because the mean of its divisors is an integer number (3680352).

Almost surely, 2^125312418 is an apocalyptic number.

125312418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125312418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176656896).

125312418 is an abundant number, since it is smaller than the sum of its proper divisors (228001374).

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

125312418 is a wasteful number, since it uses less digits than its factorization.

125312418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3980 (or 3977 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 125312418 is about 11194.3029260423. The cubic root of 125312418 is about 500.4162107744.

Adding to 125312418 its reverse (814213521), we get a palindrome (939525939).

The spelling of 125312418 in words is "one hundred twenty-five million, three hundred twelve thousand, four hundred eighteen".