121495 has 12 divisors (see below), whose sum is σ = 162504. Its totient is φ = 86480.

The previous prime is 121493. The next prime is 121501. The reversal of 121495 is 594121.

121495 = 26² + 27² + ... + 72².

It is not a de Polignac number, because 121495 - 2¹ = 121493 is a prime.

It is a super-2 number, since 2×121495² = 29522070050, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121493) 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, 2562 + ... + 2608.

It is an arithmetic number, because the mean of its divisors is an integer number (13542).

2¹²¹⁴⁹⁵ is an apocalyptic number.

121495 is a deficient number, since it is larger than the sum of its proper divisors (41009).

121495 is an equidigital number, since it uses as much as digits as its factorization.

121495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 63 counting only the distinct ones).

The product of its digits is 360, while the sum is 22.

The square root of 121495 is about 348.5613288935. The cubic root of 121495 is about 49.5282293152.

It can be divided in two parts, 121 and 495, that multiplied together give a palindrome (59895).

The spelling of 121495 in words is "one hundred twenty-one thousand, four hundred ninety-five".