201244678 has 4 divisors (see below), whose sum is σ = 301867020. Its totient is φ = 100622338.

The previous prime is 201244649. The next prime is 201244699. The reversal of 201244678 is 876442102.

It is a happy number.

201244678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

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, 50311168 + ... + 50311171.

It is an arithmetic number, because the mean of its divisors is an integer number (75466755).

Almost surely, 2^201244678 is an apocalyptic number.

201244678 is a deficient number, since it is larger than the sum of its proper divisors (100622342).

201244678 is a wasteful number, since it uses less digits than its factorization.

201244678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100622341.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 201244678 is about 14186.0733820180. The cubic root of 201244678 is about 586.0141931821.

The spelling of 201244678 in words is "two hundred one million, two hundred forty-four thousand, six hundred seventy-eight".