125312430 has 16 divisors (see below), whose sum is σ = 300749904. Its totient is φ = 33416640.

The previous prime is 125312413. The next prime is 125312431. The reversal of 125312430 is 34213521.

It is a super-2 number, since 2×125312430² = 31406410225009800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125312397 and 125312406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125312431) 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, 2088511 + ... + 2088570.

It is an arithmetic number, because the mean of its divisors is an integer number (18796869).

Almost surely, 2^125312430 is an apocalyptic number.

125312430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125312430 is an abundant number, since it is smaller than the sum of its proper divisors (175437474).

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

125312430 is a wasteful number, since it uses less digits than its factorization.

125312430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4177091.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 125312430 is about 11194.3034620292. The cubic root of 125312430 is about 500.4162267478.

Adding to 125312430 its reverse (34213521), we get a palindrome (159525951).

The spelling of 125312430 in words is "one hundred twenty-five million, three hundred twelve thousand, four hundred thirty".