121151461 has 2 divisors, whose sum is σ = 121151462. Its totient is φ = 121151460.

The previous prime is 121151341. The next prime is 121151483. The reversal of 121151461 is 164151121.

It is a happy number.

It is an a-pointer prime, because the next prime (121151483) can be obtained adding 121151461 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77986561 + 43164900 = 8831^2 + 6570^2 .

It is an emirp because it is prime and its reverse (164151121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121151461 - 2⁹ = 121150949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121151561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60575730 + 60575731.

It is an arithmetic number, because the mean of its divisors is an integer number (60575731).

Almost surely, 2^121151461 is an apocalyptic number.

It is an amenable number.

121151461 is a deficient number, since it is larger than the sum of its proper divisors (1).

121151461 is an equidigital number, since it uses as much as digits as its factorization.

121151461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 22.

The square root of 121151461 is about 11006.8824378204. The cubic root of 121151461 is about 494.8150327520.

The spelling of 121151461 in words is "one hundred twenty-one million, one hundred fifty-one thousand, four hundred sixty-one".