125313155 has 8 divisors (see below), whose sum is σ = 164046384. Its totient is φ = 91136800.

The previous prime is 125313121. The next prime is 125313173. The reversal of 125313155 is 551313521.

It is a happy number.

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

It is not a de Polignac number, because 125313155 - 2⁶ = 125313091 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1139156 + ... + 1139265.

It is an arithmetic number, because the mean of its divisors is an integer number (20505798).

Almost surely, 2^125313155 is an apocalyptic number.

125313155 is a deficient number, since it is larger than the sum of its proper divisors (38733229).

125313155 is a wasteful number, since it uses less digits than its factorization.

125313155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278437.

The product of its digits is 2250, while the sum is 26.

The square root of 125313155 is about 11194.3358445242. The cubic root of 125313155 is about 500.4171918052.

Adding to 125313155 its reverse (551313521), we get a palindrome (676626676).

The spelling of 125313155 in words is "one hundred twenty-five million, three hundred thirteen thousand, one hundred fifty-five".