125333557 has 4 divisors (see below), whose sum is σ = 131930080. Its totient is φ = 118737036.

The previous prime is 125333543. The next prime is 125333573. The reversal of 125333557 is 755333521.

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, and also an emirpimes, since its reverse is a distinct semiprime: 755333521 = 16927 ⋅44623.

It is a cyclic number.

It is not a de Polignac number, because 125333557 - 2¹¹ = 125331509 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 (125333357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3298233 + ... + 3298270.

It is an arithmetic number, because the mean of its divisors is an integer number (32982520).

Almost surely, 2^125333557 is an apocalyptic number.

It is an amenable number.

125333557 is a deficient number, since it is larger than the sum of its proper divisors (6596523).

125333557 is an equidigital number, since it uses as much as digits as its factorization.

125333557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6596522.

The product of its digits is 47250, while the sum is 34.

The square root of 125333557 is about 11195.2470718605. The cubic root of 125333557 is about 500.4443476600. Note that the first 3 decimals are identical.

The spelling of 125333557 in words is "one hundred twenty-five million, three hundred thirty-three thousand, five hundred fifty-seven".