102401332 has 18 divisors (see below), whose sum is σ = 196975394. Its totient is φ = 46545840.

The previous prime is 102401323. The next prime is 102401357. The reversal of 102401332 is 233104201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 86192656 + 16208676 = 9284^2 + 4026^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105303 + ... + 106270.

Almost surely, 2^102401332 is an apocalyptic number.

It is an amenable number.

102401332 is a deficient number, since it is larger than the sum of its proper divisors (94574062).

102401332 is a wasteful number, since it uses less digits than its factorization.

102401332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211599 (or 211586 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 102401332 is about 10119.3543272286. The cubic root of 102401332 is about 467.8448666426.

Adding to 102401332 its reverse (233104201), we get a palindrome (335505533).

The spelling of 102401332 in words is "one hundred two million, four hundred one thousand, three hundred thirty-two".