103507992 has 72 divisors (see below), whose sum is σ = 326114100. Its totient is φ = 29572704.

The previous prime is 103507969. The next prime is 103507997. The reversal of 103507992 is 299705301.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103507997) 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 17 ways as a sum of consecutive naturals, for example, 11142 + ... + 18197.

Almost surely, 2^103507992 is an apocalyptic number.

103507992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103507992 is an abundant number, since it is smaller than the sum of its proper divisors (222606108).

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

103507992 is a wasteful number, since it uses less digits than its factorization.

103507992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29365 (or 29351 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 103507992 is about 10173.8877524769. The cubic root of 103507992 is about 469.5241781722.

The spelling of 103507992 in words is "one hundred three million, five hundred seven thousand, nine hundred ninety-two".