100401332 has 6 divisors (see below), whose sum is σ = 175702338. Its totient is φ = 50200664.

The previous prime is 100401311. The next prime is 100401359. The reversal of 100401332 is 233104001.

It can be written as a sum of positive squares in only one way, i.e., 91317136 + 9084196 = 9556^2 + 3014^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12550163 + ... + 12550170.

It is an arithmetic number, because the mean of its divisors is an integer number (29283723).

Almost surely, 2^100401332 is an apocalyptic number.

It is an amenable number.

100401332 is a deficient number, since it is larger than the sum of its proper divisors (75301006).

100401332 is a wasteful number, since it uses less digits than its factorization.

100401332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25100337 (or 25100335 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 100401332 is about 10020.0465068781. The cubic root of 100401332 is about 464.7789939089.

Adding to 100401332 its reverse (233104001), we get a palindrome (333505333).

The spelling of 100401332 in words is "one hundred million, four hundred one thousand, three hundred thirty-two".