151211 has 4 divisors (see below), whose sum is σ = 153000. Its totient is φ = 149424.

The previous prime is 151201. The next prime is 151213. The reversal of 151211 is 112151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112151 = 13 ⋅8627.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151192 and 151201.

It is not an unprimeable number, because it can be changed into a prime (151213) 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, 761 + ... + 938.

It is an arithmetic number, because the mean of its divisors is an integer number (38250).

2¹⁵¹²¹¹ is an apocalyptic number.

151211 is a deficient number, since it is larger than the sum of its proper divisors (1789).

151211 is an equidigital number, since it uses as much as digits as its factorization.

151211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788.

The product of its digits is 10, while the sum is 11.

The square root of 151211 is about 388.8585861210. The cubic root of 151211 is about 53.2755319970.

Adding to 151211 its reverse (112151), we get a palindrome (263362).

Subtracting from 151211 its reverse (112151), we obtain a triangular number (39060 = T₂₇₉).

The spelling of 151211 in words is "one hundred fifty-one thousand, two hundred eleven".