125330155 has 4 divisors (see below), whose sum is σ = 150396192. Its totient is φ = 100264120.

The previous prime is 125330143. The next prime is 125330159. The reversal of 125330155 is 551033521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 551033521 = 6703 ⋅82207.

It is not a de Polignac number, because 125330155 - 2⁷ = 125330027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125330159) 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, 12533011 + ... + 12533020.

It is an arithmetic number, because the mean of its divisors is an integer number (37599048).

Almost surely, 2^125330155 is an apocalyptic number.

125330155 is a deficient number, since it is larger than the sum of its proper divisors (25066037).

125330155 is an equidigital number, since it uses as much as digits as its factorization.

125330155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25066036.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 125330155 is about 11195.0951313511. The cubic root of 125330155 is about 500.4398196705.

Adding to 125330155 its reverse (551033521), we get a palindrome (676363676).

The spelling of 125330155 in words is "one hundred twenty-five million, three hundred thirty thousand, one hundred fifty-five".