121064887 has 2 divisors, whose sum is σ = 121064888. Its totient is φ = 121064886.

The previous prime is 121064863. The next prime is 121064899. The reversal of 121064887 is 788460121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121064887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121064807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60532443 + 60532444.

It is an arithmetic number, because the mean of its divisors is an integer number (60532444).

Almost surely, 2^121064887 is an apocalyptic number.

121064887 is a deficient number, since it is larger than the sum of its proper divisors (1).

121064887 is an equidigital number, since it uses as much as digits as its factorization.

121064887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 121064887 is about 11002.9490137872. The cubic root of 121064887 is about 494.6971408607.

The spelling of 121064887 in words is "one hundred twenty-one million, sixty-four thousand, eight hundred eighty-seven".