102219029 has 4 divisors (see below), whose sum is σ = 111511680. Its totient is φ = 92926380.

The previous prime is 102219017. The next prime is 102219043. The reversal of 102219029 is 920912201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 920912201 = 11 ⋅83719291.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102219029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102218989 and 102219007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102210029) 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, 4646309 + ... + 4646330.

It is an arithmetic number, because the mean of its divisors is an integer number (27877920).

Almost surely, 2^102219029 is an apocalyptic number.

It is an amenable number.

102219029 is a deficient number, since it is larger than the sum of its proper divisors (9292651).

102219029 is an equidigital number, since it uses as much as digits as its factorization.

102219029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9292650.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 102219029 is about 10110.3426747069. The cubic root of 102219029 is about 467.5670701718.

The spelling of 102219029 in words is "one hundred two million, two hundred nineteen thousand, twenty-nine".