102121233 has 16 divisors (see below), whose sum is σ = 138556416. Its totient is φ = 66890880.

The previous prime is 102121231. The next prime is 102121237. The reversal of 102121233 is 332121201.

It is not a de Polignac number, because 102121233 - 2¹ = 102121231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102121231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68688 + ... + 70158.

It is an arithmetic number, because the mean of its divisors is an integer number (8659776).

Almost surely, 2^102121233 is an apocalyptic number.

It is an amenable number.

102121233 is a deficient number, since it is larger than the sum of its proper divisors (36435183).

102121233 is a wasteful number, since it uses less digits than its factorization.

102121233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 102121233 is about 10105.5050838639. The cubic root of 102121233 is about 467.4179107966.

Adding to 102121233 its reverse (332121201), we get a palindrome (434242434).

The spelling of 102121233 in words is "one hundred two million, one hundred twenty-one thousand, two hundred thirty-three".