201421702 has 8 divisors (see below), whose sum is σ = 303004296. Its totient is φ = 100420272.

The previous prime is 201421699. The next prime is 201421723. The reversal of 201421702 is 207124102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 201421702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144423 + ... + 145810.

It is an arithmetic number, because the mean of its divisors is an integer number (37875537).

Almost surely, 2^201421702 is an apocalyptic number.

201421702 is a deficient number, since it is larger than the sum of its proper divisors (101582594).

201421702 is a wasteful number, since it uses less digits than its factorization.

201421702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290582.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 201421702 is about 14192.3113691886. The cubic root of 201421702 is about 586.1859710972.

Adding to 201421702 its reverse (207124102), we get a palindrome (408545804).

It can be divided in two parts, 2014 and 21702, that added together give a square (23716 = 154²).

The spelling of 201421702 in words is "two hundred one million, four hundred twenty-one thousand, seven hundred two".