121143741 has 4 divisors (see below), whose sum is σ = 161524992. Its totient is φ = 80762492.

The previous prime is 121143731. The next prime is 121143761. The reversal of 121143741 is 147341121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121143741 - 2⁵ = 121143709 is a prime.

It is a super-3 number, since 3×121143741³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121143721) 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, 20190621 + ... + 20190626.

It is an arithmetic number, because the mean of its divisors is an integer number (40381248).

Almost surely, 2^121143741 is an apocalyptic number.

It is an amenable number.

121143741 is a deficient number, since it is larger than the sum of its proper divisors (40381251).

121143741 is an equidigital number, since it uses as much as digits as its factorization.

121143741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40381250.

The product of its digits is 672, while the sum is 24.

The square root of 121143741 is about 11006.5317425609. The cubic root of 121143741 is about 494.8045223458.

Adding to 121143741 its reverse (147341121), we get a palindrome (268484862).

The spelling of 121143741 in words is "one hundred twenty-one million, one hundred forty-three thousand, seven hundred forty-one".