103120040 has 32 divisors (see below), whose sum is σ = 242110080. Its totient is φ = 39454272.

The previous prime is 103120007. The next prime is 103120057. The reversal of 103120040 is 40021301.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 55124 + ... + 56963.

It is an arithmetic number, because the mean of its divisors is an integer number (7565940).

Almost surely, 2^103120040 is an apocalyptic number.

103120040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103120040 is an abundant number, since it is smaller than the sum of its proper divisors (138990040).

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

103120040 is a wasteful number, since it uses less digits than its factorization.

103120040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112121 (or 112117 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 103120040 is about 10154.8037893403. The cubic root of 103120040 is about 468.9368454536.

Adding to 103120040 its reverse (40021301), we get a palindrome (143141341).

The spelling of 103120040 in words is "one hundred three million, one hundred twenty thousand, forty".