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125472 = 2531307
BaseRepresentation
bin11110101000100000
320101010010
4132220200
513003342
62404520
71031544
oct365040
9211103
10125472
11862a6
1260740
1345159
1433a24
152729c
hex1ea20

125472 has 24 divisors (see below), whose sum is σ = 329616. Its totient is φ = 41792.

The previous prime is 125471. The next prime is 125497. The reversal of 125472 is 274521.

It is a tau number, because it is divible by the number of its divisors (24).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (125471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558 + ... + 749.

It is an arithmetic number, because the mean of its divisors is an integer number (13734).

2125472 is an apocalyptic number.

125472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125472 is an abundant number, since it is smaller than the sum of its proper divisors (204144).

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

125472 is a wasteful number, since it uses less digits than its factorization.

125472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320 (or 1312 counting only the distinct ones).

The product of its digits is 560, while the sum is 21.

The square root of 125472 is about 354.2202704533. The cubic root of 125472 is about 50.0628542870.

Adding to 125472 its reverse (274521), we get a palindrome (399993).

It can be divided in two parts, 1254 and 72, that added together give a triangular number (1326 = T51).

The spelling of 125472 in words is "one hundred twenty-five thousand, four hundred seventy-two".