121261741 has 4 divisors (see below), whose sum is σ = 121290300. Its totient is φ = 121233184.

The previous prime is 121261729. The next prime is 121261757. The reversal of 121261741 is 147162121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52620516 + 68641225 = 7254^2 + 8285^2 .

It is a cyclic number.

It is not a de Polignac number, because 121261741 - 2¹⁹ = 120737453 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 (121261141) 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, 6496 + ... + 16873.

It is an arithmetic number, because the mean of its divisors is an integer number (30322575).

Almost surely, 2^121261741 is an apocalyptic number.

It is an amenable number.

121261741 is a deficient number, since it is larger than the sum of its proper divisors (28559).

121261741 is an equidigital number, since it uses as much as digits as its factorization.

121261741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28558.

The product of its digits is 672, while the sum is 25.

The square root of 121261741 is about 11011.8908912139. The cubic root of 121261741 is about 494.9651249109.

The spelling of 121261741 in words is "one hundred twenty-one million, two hundred sixty-one thousand, seven hundred forty-one".