125251473 has 4 divisors (see below), whose sum is σ = 167001968. Its totient is φ = 83500980.

The previous prime is 125251471. The next prime is 125251487. The reversal of 125251473 is 374152521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 125251473 - 2¹ = 125251471 is a prime.

It is a super-4 number, since 4×125251473⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 125251473.

It is not an unprimeable number, because it can be changed into a prime (125251471) 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 3 ways as a sum of consecutive naturals, for example, 20875243 + ... + 20875248.

It is an arithmetic number, because the mean of its divisors is an integer number (41750492).

Almost surely, 2^125251473 is an apocalyptic number.

It is an amenable number.

125251473 is a deficient number, since it is larger than the sum of its proper divisors (41750495).

125251473 is an equidigital number, since it uses as much as digits as its factorization.

125251473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41750494.

The product of its digits is 8400, while the sum is 30.

The square root of 125251473 is about 11191.5804513929. The cubic root of 125251473 is about 500.3350727357.

It can be divided in two parts, 1252 and 51473, that added together give a palindrome (52725).

The spelling of 125251473 in words is "one hundred twenty-five million, two hundred fifty-one thousand, four hundred seventy-three".