107202421 has 2 divisors, whose sum is σ = 107202422. Its totient is φ = 107202420.

The previous prime is 107202419. The next prime is 107202439. The reversal of 107202421 is 124202701.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60621796 + 46580625 = 7786^2 + 6825^2 .

It is a cyclic number.

It is not a de Polignac number, because 107202421 - 2¹ = 107202419 is a prime.

It is a super-2 number, since 2×107202421² = 22984718136522482, which contains 22 as substring.

Together with 107202419, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107202401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53601210 + 53601211.

It is an arithmetic number, because the mean of its divisors is an integer number (53601211).

Almost surely, 2^107202421 is an apocalyptic number.

It is an amenable number.

107202421 is a deficient number, since it is larger than the sum of its proper divisors (1).

107202421 is an equidigital number, since it uses as much as digits as its factorization.

107202421 is an evil number, because the sum of its binary digits is even.

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

The square root of 107202421 is about 10353.8601980131. The cubic root of 107202421 is about 475.0451236911.

The spelling of 107202421 in words is "one hundred seven million, two hundred two thousand, four hundred twenty-one".