121527 has 16 divisors (see below), whose sum is σ = 206080. Its totient is φ = 69336.

The previous prime is 121523. The next prime is 121531. The reversal of 121527 is 725121.

121527 is nontrivially palindromic in base 2.

It is an interprime number because it is at equal distance from previous prime (121523) and next prime (121531).

It is not a de Polignac number, because 121527 - 2² = 121523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133 + ... + 510.

It is an arithmetic number, because the mean of its divisors is an integer number (12880).

2¹²¹⁵²⁷ is an apocalyptic number.

121527 is a deficient number, since it is larger than the sum of its proper divisors (84553).

121527 is an equidigital number, since it uses as much as digits as its factorization.

121527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 653 counting only the distinct ones).

The product of its digits is 140, while the sum is 18.

The square root of 121527 is about 348.6072288407. The cubic root of 121527 is about 49.5325772697.

Adding to 121527 its reverse (725121), we get a palindrome (846648).

It can be divided in two parts, 1 and 21527, that added together give a triangular number (21528 = T₂₀₇).

The spelling of 121527 in words is "one hundred twenty-one thousand, five hundred twenty-seven".