151187 has 4 divisors (see below), whose sum is σ = 156096. Its totient is φ = 146280.

The previous prime is 151171. The next prime is 151189. The reversal of 151187 is 781151.

151187 is nontrivially palindromic in base 15.

151187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 781151 = 7 ⋅111593.

It is a cyclic number.

It is not a de Polignac number, because 151187 - 2⁴ = 151171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2408 + ... + 2469.

It is an arithmetic number, because the mean of its divisors is an integer number (39024).

2¹⁵¹¹⁸⁷ is an apocalyptic number.

151187 is a deficient number, since it is larger than the sum of its proper divisors (4909).

151187 is an equidigital number, since it uses as much as digits as its factorization.

151187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4908.

The product of its digits is 280, while the sum is 23.

The square root of 151187 is about 388.8277253489. The cubic root of 151187 is about 53.2727132417.

The spelling of 151187 in words is "one hundred fifty-one thousand, one hundred eighty-seven".