103012660 has 12 divisors (see below), whose sum is σ = 216326628. Its totient is φ = 41205056.

The previous prime is 103012631. The next prime is 103012691. The reversal of 103012660 is 66210301.

It can be written as a sum of positive squares in 2 ways, for example, as 13823524 + 89189136 = 3718^2 + 9444^2 .

It is a super-2 number, since 2×103012660² = 21223216240551200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2575297 + ... + 2575336.

It is an arithmetic number, because the mean of its divisors is an integer number (18027219).

Almost surely, 2^103012660 is an apocalyptic number.

103012660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103012660 is an abundant number, since it is smaller than the sum of its proper divisors (113313968).

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

103012660 is a wasteful number, since it uses less digits than its factorization.

103012660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5150642 (or 5150640 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 103012660 is about 10149.5152593609. The cubic root of 103012660 is about 468.7740192729.

Adding to 103012660 its reverse (66210301), we get a palindrome (169222961).

The spelling of 103012660 in words is "one hundred three million, twelve thousand, six hundred sixty".