121016741 has 4 divisors (see below), whose sum is σ = 123000684. Its totient is φ = 119032800.

The previous prime is 121016737. The next prime is 121016747. The reversal of 121016741 is 147610121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 147610121 = 641 ⋅230281.

It can be written as a sum of positive squares in 2 ways, for example, as 27604516 + 93412225 = 5254^2 + 9665^2 .

It is a cyclic number.

It is not a de Polignac number, because 121016741 - 2² = 121016737 is a prime.

It is a super-2 number, since 2×121016741² = 29290103204522162, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121016747) 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, 991880 + ... + 992001.

It is an arithmetic number, because the mean of its divisors is an integer number (30750171).

Almost surely, 2^121016741 is an apocalyptic number.

It is an amenable number.

121016741 is a deficient number, since it is larger than the sum of its proper divisors (1983943).

121016741 is an equidigital number, since it uses as much as digits as its factorization.

121016741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983942.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 121016741 is about 11000.7609282267. The cubic root of 121016741 is about 494.6315538652.

Adding to 121016741 its reverse (147610121), we get a palindrome (268626862).

The spelling of 121016741 in words is "one hundred twenty-one million, sixteen thousand, seven hundred forty-one".