103121132 has 12 divisors (see below), whose sum is σ = 189960120. Its totient is φ = 48846816.

The previous prime is 103121131. The next prime is 103121153. The reversal of 103121132 is 231121301.

It is a super-2 number, since 2×103121132² = 21267935729922848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103121131) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 678353 + ... + 678504.

It is an arithmetic number, because the mean of its divisors is an integer number (15830010).

Almost surely, 2^103121132 is an apocalyptic number.

It is an amenable number.

103121132 is a deficient number, since it is larger than the sum of its proper divisors (86838988).

103121132 is a wasteful number, since it uses less digits than its factorization.

103121132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356880 (or 1356878 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 103121132 is about 10154.8575568543. The cubic root of 103121132 is about 468.9385007323.

Adding to 103121132 its reverse (231121301), we get a palindrome (334242433).

The spelling of 103121132 in words is "one hundred three million, one hundred twenty-one thousand, one hundred thirty-two".