121027957 has 2 divisors, whose sum is σ = 121027958. Its totient is φ = 121027956.

The previous prime is 121027931. The next prime is 121027979. The reversal of 121027957 is 759720121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99181681 + 21846276 = 9959^2 + 4674^2 .

It is a cyclic number.

It is not a de Polignac number, because 121027957 - 2¹¹ = 121025909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121027457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60513978 + 60513979.

It is an arithmetic number, because the mean of its divisors is an integer number (60513979).

Almost surely, 2^121027957 is an apocalyptic number.

It is an amenable number.

121027957 is a deficient number, since it is larger than the sum of its proper divisors (1).

121027957 is an equidigital number, since it uses as much as digits as its factorization.

121027957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 121027957 is about 11001.2706993329. The cubic root of 121027957 is about 494.6468344401.

The spelling of 121027957 in words is "one hundred twenty-one million, twenty-seven thousand, nine hundred fifty-seven".