103129232 has 10 divisors (see below), whose sum is σ = 199812918. Its totient is φ = 51564608.

The previous prime is 103129211. The next prime is 103129241. The reversal of 103129232 is 232921301.

It can be written as a sum of positive squares in only one way, i.e., 100320256 + 2808976 = 10016^2 + 1676^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103129198 and 103129207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3222773 + ... + 3222804.

Almost surely, 2^103129232 is an apocalyptic number.

It is an amenable number.

103129232 is a deficient number, since it is larger than the sum of its proper divisors (96683686).

103129232 is an equidigital number, since it uses as much as digits as its factorization.

103129232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6445585 (or 6445579 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 103129232 is about 10155.2563729332. The cubic root of 103129232 is about 468.9507785339.

The spelling of 103129232 in words is "one hundred three million, one hundred twenty-nine thousand, two hundred thirty-two".