103857078 has 32 divisors (see below), whose sum is σ = 235468800. Its totient is φ = 30273696.

The previous prime is 103857071. The next prime is 103857079. The reversal of 103857078 is 870758301.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103857071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33558 + ... + 36521.

It is an arithmetic number, because the mean of its divisors is an integer number (7358400).

Almost surely, 2^103857078 is an apocalyptic number.

103857078 is an abundant number, since it is smaller than the sum of its proper divisors (131611722).

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

103857078 is a wasteful number, since it uses less digits than its factorization.

103857078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70116.

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 103857078 is about 10191.0292905084. The cubic root of 103857078 is about 470.0514173415.

The spelling of 103857078 in words is "one hundred three million, eight hundred fifty-seven thousand, seventy-eight".