125145305 has 8 divisors (see below), whose sum is σ = 158078400. Its totient is φ = 94846896.

The previous prime is 125145299. The next prime is 125145341. The reversal of 125145305 is 503541521.

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

It is a cyclic number.

It is not a de Polignac number, because 125145305 - 2⁸ = 125145049 is a prime.

It is a super-2 number, since 2×125145305² = 31322694727086050, which contains 22 as substring.

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, 658565 + ... + 658754.

It is an arithmetic number, because the mean of its divisors is an integer number (19759800).

Almost surely, 2^125145305 is an apocalyptic number.

It is an amenable number.

125145305 is a deficient number, since it is larger than the sum of its proper divisors (32933095).

125145305 is a wasteful number, since it uses less digits than its factorization.

125145305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317343.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 125145305 is about 11186.8362372925. The cubic root of 125145305 is about 500.1936649781.

Adding to 125145305 its reverse (503541521), we get a palindrome (628686826).

The spelling of 125145305 in words is "one hundred twenty-five million, one hundred forty-five thousand, three hundred five".