201278414 has 4 divisors (see below), whose sum is σ = 301917624. Its totient is φ = 100639206.

The previous prime is 201278411. The next prime is 201278423. The reversal of 201278414 is 414872102.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201278411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50319602 + ... + 50319605.

It is an arithmetic number, because the mean of its divisors is an integer number (75479406).

Almost surely, 2^201278414 is an apocalyptic number.

201278414 is a deficient number, since it is larger than the sum of its proper divisors (100639210).

201278414 is a wasteful number, since it uses less digits than its factorization.

201278414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100639209.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 201278414 is about 14187.2623856754. The cubic root of 201278414 is about 586.0469371870.

The spelling of 201278414 in words is "two hundred one million, two hundred seventy-eight thousand, four hundred fourteen".