125553245 has 8 divisors (see below), whose sum is σ = 159526584. Its totient is φ = 94534144.

The previous prime is 125553223. The next prime is 125553257. The reversal of 125553245 is 542355521.

It can be written as a sum of positive squares in 4 ways, for example, as 29474041 + 96079204 = 5429^2 + 9802^2 .

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

It is not a de Polignac number, because 125553245 - 2¹⁴ = 125536861 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 738464 + ... + 738633.

It is an arithmetic number, because the mean of its divisors is an integer number (19940823).

Almost surely, 2^125553245 is an apocalyptic number.

It is an amenable number.

125553245 is a deficient number, since it is larger than the sum of its proper divisors (33973339).

125553245 is a wasteful number, since it uses less digits than its factorization.

125553245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477119.

The product of its digits is 30000, while the sum is 32.

The square root of 125553245 is about 11205.0544398499. The cubic root of 125553245 is about 500.7365743835.

The spelling of 125553245 in words is "one hundred twenty-five million, five hundred fifty-three thousand, two hundred forty-five".