207421201 has 8 divisors (see below), whose sum is σ = 224186984. Its totient is φ = 190771200.

The previous prime is 207421183. The next prime is 207421231. The reversal of 207421201 is 102124702.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 32547025 + 174874176 = 5705^2 + 13224^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 207421201 - 2⁷ = 207421073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (207421231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25200 + ... + 32401.

It is an arithmetic number, because the mean of its divisors is an integer number (28023373).

Almost surely, 2^207421201 is an apocalyptic number.

It is an amenable number.

207421201 is a deficient number, since it is larger than the sum of its proper divisors (16765783).

207421201 is a wasteful number, since it uses less digits than its factorization.

207421201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57891.

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

The square root of 207421201 is about 14402.1248779477. The cubic root of 207421201 is about 591.9491230702.

Adding to 207421201 its reverse (102124702), we get a palindrome (309545903).

The spelling of 207421201 in words is "two hundred seven million, four hundred twenty-one thousand, two hundred one".