121262481 has 8 divisors (see below), whose sum is σ = 179648160. Its totient is φ = 80841636.

The previous prime is 121262443. The next prime is 121262497. The reversal of 121262481 is 184262121.

121262481 is a `hidden beast` number, since 121 + 2 + 62 + 481 = 666.

It is not a de Polignac number, because 121262481 - 2⁷ = 121262353 is a prime.

It is a super-2 number, since 2×121262481² = 29409178596550722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4491203 = 121262481 / (1 + 2 + 1 + 2 + 6 + 2 + 4 + 8 + 1).

It is not an unprimeable number, because it can be changed into a prime (121262381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2245575 + ... + 2245628.

It is an arithmetic number, because the mean of its divisors is an integer number (22456020).

Almost surely, 2^121262481 is an apocalyptic number.

It is an amenable number.

121262481 is a deficient number, since it is larger than the sum of its proper divisors (58385679).

121262481 is an equidigital number, since it uses as much as digits as its factorization.

121262481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4491212 (or 4491206 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 121262481 is about 11011.9244912050. The cubic root of 121262481 is about 494.9661317507.

The spelling of 121262481 in words is "one hundred twenty-one million, two hundred sixty-two thousand, four hundred eighty-one".