100232001 has 12 divisors (see below), whose sum is σ = 148693012. Its totient is φ = 65015136.

The previous prime is 100231997. The next prime is 100232009.

It is a happy number.

100232001 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 38452401 + 61779600 = 6201^2 + 7860^2 .

It is not a de Polignac number, because 100232001 - 2² = 100231997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100232009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150166 + ... + 150831.

Almost surely, 2^100232001 is an apocalyptic number.

It is an amenable number.

100232001 is a deficient number, since it is larger than the sum of its proper divisors (48461011).

100232001 is a wasteful number, since it uses less digits than its factorization.

100232001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301040 (or 301037 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 100232001 is about 10011.5933297353. The cubic root of 100232001 is about 464.5175572121.

The spelling of 100232001 in words is "one hundred million, two hundred thirty-two thousand, one".