102234661 has 4 divisors (see below), whose sum is σ = 102367692. Its totient is φ = 102101632.

The previous prime is 102234653. The next prime is 102234673. The reversal of 102234661 is 166432201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 51753636 + 50481025 = 7194^2 + 7105^2 .

It is a cyclic number.

It is not a de Polignac number, because 102234661 - 2³ = 102234653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102234631) 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, 65356 + ... + 66901.

It is an arithmetic number, because the mean of its divisors is an integer number (25591923).

Almost surely, 2^102234661 is an apocalyptic number.

It is an amenable number.

102234661 is a deficient number, since it is larger than the sum of its proper divisors (133031).

102234661 is an equidigital number, since it uses as much as digits as its factorization.

102234661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133030.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 102234661 is about 10111.1157148952. The cubic root of 102234661 is about 467.5909034246.

Adding to 102234661 its reverse (166432201), we get a palindrome (268666862).

It can be divided in two parts, 10223 and 4661, that added together give a square (14884 = 122²).

The spelling of 102234661 in words is "one hundred two million, two hundred thirty-four thousand, six hundred sixty-one".