121374511 has 2 divisors, whose sum is σ = 121374512. Its totient is φ = 121374510.

The previous prime is 121374503. The next prime is 121374521. The reversal of 121374511 is 115473121.

It is a weak prime.

It is an emirp because it is prime and its reverse (115473121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121374511 - 2³ = 121374503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121374521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60687255 + 60687256.

It is an arithmetic number, because the mean of its divisors is an integer number (60687256).

Almost surely, 2^121374511 is an apocalyptic number.

121374511 is a deficient number, since it is larger than the sum of its proper divisors (1).

121374511 is an equidigital number, since it uses as much as digits as its factorization.

121374511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 25.

The square root of 121374511 is about 11017.0100753335. The cubic root of 121374511 is about 495.1185119089.

The spelling of 121374511 in words is "one hundred twenty-one million, three hundred seventy-four thousand, five hundred eleven".