125471420 has 24 divisors (see below), whose sum is σ = 269619504. Its totient is φ = 49021056.

The previous prime is 125471419. The next prime is 125471431. The reversal of 125471420 is 24174521.

It is a self number, because there is not a number n which added to its sum of digits gives 125471420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72089 + ... + 73808.

It is an arithmetic number, because the mean of its divisors is an integer number (11234146).

Almost surely, 2^125471420 is an apocalyptic number.

125471420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125471420 is an abundant number, since it is smaller than the sum of its proper divisors (144148084).

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

125471420 is a wasteful number, since it uses less digits than its factorization.

125471420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145949 (or 145947 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 125471420 is about 11201.4025907473. The cubic root of 125471420 is about 500.6277714761.

The spelling of 125471420 in words is "one hundred twenty-five million, four hundred seventy-one thousand, four hundred twenty".