101151 has 6 divisors (see below), whose sum is σ = 146120. Its totient is φ = 67428.

The previous prime is 101149. The next prime is 101159. The reversal of 101151 is 151101.

It is not a de Polignac number, because 101151 - 2¹ = 101149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 11239 = 101151 / (1 + 0 + 1 + 1 + 5 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5611 + ... + 5628.

2¹⁰¹¹⁵¹ is an apocalyptic number.

101151 is a deficient number, since it is larger than the sum of its proper divisors (44969).

101151 is a wasteful number, since it uses less digits than its factorization.

101151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11245 (or 11242 counting only the distinct ones).

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

The square root of 101151 is about 318.0424499969. The cubic root of 101151 is about 46.5932917210.

Adding to 101151 its reverse (151101), we get a palindrome (252252).

It can be divided in two parts, 101 and 151, that multiplied together give a palindrome (15251).

The spelling of 101151 in words is "one hundred one thousand, one hundred fifty-one".