125390553 has 8 divisors (see below), whose sum is σ = 167918400. Its totient is φ = 83228208.

The previous prime is 125390543. The next prime is 125390569. The reversal of 125390553 is 355093521.

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

It is not a de Polignac number, because 125390553 - 2¹⁴ = 125374169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125390513) 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 7 ways as a sum of consecutive naturals, for example, 90573 + ... + 91946.

It is an arithmetic number, because the mean of its divisors is an integer number (20989800).

Almost surely, 2^125390553 is an apocalyptic number.

It is an amenable number.

125390553 is a deficient number, since it is larger than the sum of its proper divisors (42527847).

125390553 is a wasteful number, since it uses less digits than its factorization.

125390553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182751.

The product of its (nonzero) digits is 20250, while the sum is 33.

The square root of 125390553 is about 11197.7923270616. The cubic root of 125390553 is about 500.5201959380.

It can be divided in two parts, 1253 and 90553, that added together give a triangular number (91806 = T₄₂₈).

The spelling of 125390553 in words is "one hundred twenty-five million, three hundred ninety thousand, five hundred fifty-three".