121560027 has 16 divisors (see below), whose sum is σ = 164545920. Its totient is φ = 79814592.

The previous prime is 121559993. The next prime is 121560071. The reversal of 121560027 is 720065121.

It is not a de Polignac number, because 121560027 - 2⁸ = 121559771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121559979 and 121560006.

It is not an unprimeable number, because it can be changed into a prime (121560077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81228 + ... + 82710.

It is an arithmetic number, because the mean of its divisors is an integer number (10284120).

Almost surely, 2^121560027 is an apocalyptic number.

121560027 is a deficient number, since it is larger than the sum of its proper divisors (42985893).

121560027 is a wasteful number, since it uses less digits than its factorization.

121560027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 121560027 is about 11025.4263863127. The cubic root of 121560027 is about 495.3706396613.

The spelling of 121560027 in words is "one hundred twenty-one million, five hundred sixty thousand, twenty-seven".