103992120 has 64 divisors (see below), whose sum is σ = 346644000. Its totient is φ = 27730944.

The previous prime is 103992101. The next prime is 103992127. The reversal of 103992120 is 21299301.

It is a super-2 number, since 2×103992120² = 21628722044188800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103992127) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 47065 + ... + 49224.

Almost surely, 2^103992120 is an apocalyptic number.

103992120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103992120 is an abundant number, since it is smaller than the sum of its proper divisors (242651880).

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

103992120 is a wasteful number, since it uses less digits than its factorization.

103992120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96309 (or 96299 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 103992120 is about 10197.6526710807. The cubic root of 103992120 is about 470.2550599895.

The spelling of 103992120 in words is "one hundred three million, nine hundred ninety-two thousand, one hundred twenty".