121352887 has 2 divisors, whose sum is σ = 121352888. Its totient is φ = 121352886.

The previous prime is 121352857. The next prime is 121352893. The reversal of 121352887 is 788253121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121352887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121352827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60676443 + 60676444.

It is an arithmetic number, because the mean of its divisors is an integer number (60676444).

Almost surely, 2^121352887 is an apocalyptic number.

121352887 is a deficient number, since it is larger than the sum of its proper divisors (1).

121352887 is an equidigital number, since it uses as much as digits as its factorization.

121352887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 37.

The square root of 121352887 is about 11016.0286401225. The cubic root of 121352887 is about 495.0891068372.

The spelling of 121352887 in words is "one hundred twenty-one million, three hundred fifty-two thousand, eight hundred eighty-seven".