102620227 has 4 divisors (see below), whose sum is σ = 107082000. Its totient is φ = 98158456.

The previous prime is 102620209. The next prime is 102620251. The reversal of 102620227 is 722026201.

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

It is a cyclic number.

It is not a de Polignac number, because 102620227 - 2⁷ = 102620099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102620198 and 102620207.

It is not an unprimeable number, because it can be changed into a prime (102620257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2230852 + ... + 2230897.

It is an arithmetic number, because the mean of its divisors is an integer number (26770500).

Almost surely, 2^102620227 is an apocalyptic number.

102620227 is a deficient number, since it is larger than the sum of its proper divisors (4461773).

102620227 is an equidigital number, since it uses as much as digits as its factorization.

102620227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4461772.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 102620227 is about 10130.1642138714. The cubic root of 102620227 is about 468.1779873687.

Adding to 102620227 its reverse (722026201), we get a palindrome (824646428).

The spelling of 102620227 in words is "one hundred two million, six hundred twenty thousand, two hundred twenty-seven".