125553143 has 8 divisors (see below), whose sum is σ = 133523280. Its totient is φ = 117648000.

The previous prime is 125553133. The next prime is 125553157. The reversal of 125553143 is 341355521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125553143 - 2⁶ = 125553079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125553133) 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, 12233 + ... + 20018.

It is an arithmetic number, because the mean of its divisors is an integer number (16690410).

Almost surely, 2^125553143 is an apocalyptic number.

125553143 is a deficient number, since it is larger than the sum of its proper divisors (7970137).

125553143 is a wasteful number, since it uses less digits than its factorization.

125553143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32497.

The product of its digits is 9000, while the sum is 29.

The square root of 125553143 is about 11205.0498883316. The cubic root of 125553143 is about 500.7364387833.

The spelling of 125553143 in words is "one hundred twenty-five million, five hundred fifty-three thousand, one hundred forty-three".