121337741 has 4 divisors (see below), whose sum is σ = 138671712. Its totient is φ = 104003772.

The previous prime is 121337731. The next prime is 121337761. The reversal of 121337741 is 147733121.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 147733121 = 2521 ⋅58601.

It is a cyclic number.

It is not a de Polignac number, because 121337741 - 2⁶ = 121337677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121337731) 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, 8666975 + ... + 8666988.

It is an arithmetic number, because the mean of its divisors is an integer number (34667928).

Almost surely, 2^121337741 is an apocalyptic number.

It is an amenable number.

121337741 is a deficient number, since it is larger than the sum of its proper divisors (17333971).

121337741 is an equidigital number, since it uses as much as digits as its factorization.

121337741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17333970.

The product of its digits is 3528, while the sum is 29.

The square root of 121337741 is about 11015.3411658468. The cubic root of 121337741 is about 495.0685086963.

The spelling of 121337741 in words is "one hundred twenty-one million, three hundred thirty-seven thousand, seven hundred forty-one".