125245155 has 16 divisors (see below), whose sum is σ = 229019904. Its totient is φ = 57254880.

The previous prime is 125245147. The next prime is 125245181. The reversal of 125245155 is 551542521.

It is not a de Polignac number, because 125245155 - 2³ = 125245147 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 596301 + ... + 596510.

It is an arithmetic number, because the mean of its divisors is an integer number (14313744).

Almost surely, 2^125245155 is an apocalyptic number.

125245155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125245155 is a deficient number, since it is larger than the sum of its proper divisors (103774749).

125245155 is a wasteful number, since it uses less digits than its factorization.

125245155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192826.

The product of its digits is 10000, while the sum is 30.

The square root of 125245155 is about 11191.2981820699. The cubic root of 125245155 is about 500.3266598735.

Adding to 125245155 its reverse (551542521), we get a palindrome (676787676).

The spelling of 125245155 in words is "one hundred twenty-five million, two hundred forty-five thousand, one hundred fifty-five".