121145503741 has 2 divisors, whose sum is σ = 121145503742. Its totient is φ = 121145503740.

The previous prime is 121145503729. The next prime is 121145503747. The reversal of 121145503741 is 147305541121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120255674841 + 889828900 = 346779^2 + 29830^2 .

It is a cyclic number.

It is not a de Polignac number, because 121145503741 - 2²¹ = 121143406589 is a prime.

It is a super-3 number, since 3×121145503741³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121145503697 and 121145503706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121145503747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60572751870 + 60572751871.

It is an arithmetic number, because the mean of its divisors is an integer number (60572751871).

Almost surely, 2^121145503741 is an apocalyptic number.

It is an amenable number.

121145503741 is a deficient number, since it is larger than the sum of its proper divisors (1).

121145503741 is an equidigital number, since it uses as much as digits as its factorization.

121145503741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 121145503741 in words is "one hundred twenty-one billion, one hundred forty-five million, five hundred three thousand, seven hundred forty-one".