103870072 has 8 divisors (see below), whose sum is σ = 194756400. Its totient is φ = 51935032.

The previous prime is 103869977. The next prime is 103870111. The reversal of 103870072 is 270078301.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 103870072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6491872 + ... + 6491887.

It is an arithmetic number, because the mean of its divisors is an integer number (24344550).

Almost surely, 2^103870072 is an apocalyptic number.

It is an amenable number.

103870072 is a deficient number, since it is larger than the sum of its proper divisors (90886328).

103870072 is a wasteful number, since it uses less digits than its factorization.

103870072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12983765 (or 12983761 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 103870072 is about 10191.6667920414. Note that the first 3 decimals coincide. The cubic root of 103870072 is about 470.0710199002.

The spelling of 103870072 in words is "one hundred three million, eight hundred seventy thousand, seventy-two".