125512030 has 24 divisors (see below), whose sum is σ = 262807848. Its totient is φ = 43032528.

The previous prime is 125512027. The next prime is 125512033. The reversal of 125512030 is 30215521.

It is an interprime number because it is at equal distance from previous prime (125512027) and next prime (125512033).

It is a junction number, because it is equal to n+sod(n) for n = 125511989 and 125512007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125512033) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 127584 + ... + 128563.

It is an arithmetic number, because the mean of its divisors is an integer number (10950327).

Almost surely, 2^125512030 is an apocalyptic number.

125512030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125512030 is an abundant number, since it is smaller than the sum of its proper divisors (137295818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125512030 is a wasteful number, since it uses less digits than its factorization.

125512030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256168 (or 256161 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 125512030 is about 11203.2151635144. The cubic root of 125512030 is about 500.6817766054.

Adding to 125512030 its reverse (30215521), we get a palindrome (155727551).

The spelling of 125512030 in words is "one hundred twenty-five million, five hundred twelve thousand, thirty".