121276541 has 2 divisors, whose sum is σ = 121276542. Its totient is φ = 121276540.

The previous prime is 121276523. The next prime is 121276553. The reversal of 121276541 is 145672121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89680900 + 31595641 = 9470^2 + 5621^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121276541 is a prime.

It is a Chen prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121276241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60638270 + 60638271.

It is an arithmetic number, because the mean of its divisors is an integer number (60638271).

Almost surely, 2^121276541 is an apocalyptic number.

It is an amenable number.

121276541 is a deficient number, since it is larger than the sum of its proper divisors (1).

121276541 is an equidigital number, since it uses as much as digits as its factorization.

121276541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 29.

The square root of 121276541 is about 11012.5628715572. The cubic root of 121276541 is about 494.9852609290.

The spelling of 121276541 in words is "one hundred twenty-one million, two hundred seventy-six thousand, five hundred forty-one".