1100151 has 12 divisors (see below), whose sum is σ = 1711528. Its totient is φ = 676944.

The previous prime is 1100149. The next prime is 1100161. The reversal of 1100151 is 1510011.

It is not a de Polignac number, because 1100151 - 2¹ = 1100149 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100101) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4585 + ... + 4818.

2^1100151 is an apocalyptic number.

1100151 is a deficient number, since it is larger than the sum of its proper divisors (611377).

1100151 is a wasteful number, since it uses less digits than its factorization.

1100151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9422 (or 9419 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 9.

The square root of 1100151 is about 1048.8808321254. The cubic root of 1100151 is about 103.2327347931.

Adding to 1100151 its reverse (1510011), we get a palindrome (2610162).

The spelling of 1100151 in words is "one million, one hundred thousand, one hundred fifty-one".