78001203 has 16 divisors (see below), whose sum is σ = 120366080. Its totient is φ = 44006976.

The previous prime is 78001141. The next prime is 78001207. The reversal of 78001203 is 30210087.

It is not a de Polignac number, because 78001203 - 2⁶ = 78001139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78001203.

It is not an unprimeable number, because it can be changed into a prime (78001207) 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, 21850 + ... + 25167.

It is an arithmetic number, because the mean of its divisors is an integer number (7522880).

Almost surely, 2^78001203 is an apocalyptic number.

78001203 is a deficient number, since it is larger than the sum of its proper divisors (42364877).

78001203 is a wasteful number, since it uses less digits than its factorization.

78001203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47106.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 78001203 is about 8831.8289725288. The cubic root of 78001203 is about 427.2680647433.

The spelling of 78001203 in words is "seventy-eight million, one thousand, two hundred three".