125303011 has 16 divisors (see below), whose sum is σ = 135535680. Its totient is φ = 115540480.

The previous prime is 125302943. The next prime is 125303041. The reversal of 125303011 is 110303521.

It is a cyclic number.

It is not a de Polignac number, because 125303011 - 2⁷ = 125302883 is a prime.

It is a super-2 number, since 2×125303011² = 31401689131332242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125303041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83181 + ... + 84673.

It is an arithmetic number, because the mean of its divisors is an integer number (8470980).

Almost surely, 2^125303011 is an apocalyptic number.

125303011 is a deficient number, since it is larger than the sum of its proper divisors (10232669).

125303011 is a wasteful number, since it uses less digits than its factorization.

125303011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 125303011 is about 11193.8827490733. The cubic root of 125303011 is about 500.4036886499.

Adding to 125303011 its reverse (110303521), we get a palindrome (235606532).

The spelling of 125303011 in words is "one hundred twenty-five million, three hundred three thousand, eleven".