121141747 has 4 divisors (see below), whose sum is σ = 121173696. Its totient is φ = 121109800.

The previous prime is 121141721. The next prime is 121141753. The reversal of 121141747 is 747141121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 747141121 = 7283 ⋅102587.

It is a cyclic number.

It is not a de Polignac number, because 121141747 - 2¹⁵ = 121108979 is a prime.

It is a super-3 number, since 3×121141747³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (121141717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9379 + ... + 18172.

It is an arithmetic number, because the mean of its divisors is an integer number (30293424).

Almost surely, 2^121141747 is an apocalyptic number.

121141747 is a deficient number, since it is larger than the sum of its proper divisors (31949).

121141747 is an equidigital number, since it uses as much as digits as its factorization.

121141747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31948.

The product of its digits is 1568, while the sum is 28.

The square root of 121141747 is about 11006.4411596119. The cubic root of 121141747 is about 494.8018075388.

Adding to 121141747 its reverse (747141121), we get a palindrome (868282868).

It can be divided in two parts, 12114 and 1747, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 121141747 in words is "one hundred twenty-one million, one hundred forty-one thousand, seven hundred forty-seven".