121139063 has 2 divisors, whose sum is σ = 121139064. Its totient is φ = 121139062.

The previous prime is 121139027. The next prime is 121139071. The reversal of 121139063 is 360931121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121139063 - 2⁸ = 121138807 is a prime.

It is a super-3 number, since 3×121139063³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121139563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60569531 + 60569532.

It is an arithmetic number, because the mean of its divisors is an integer number (60569532).

Almost surely, 2^121139063 is an apocalyptic number.

121139063 is a deficient number, since it is larger than the sum of its proper divisors (1).

121139063 is an equidigital number, since it uses as much as digits as its factorization.

121139063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 121139063 is about 11006.3192303331. The cubic root of 121139063 is about 494.7981532581.

The spelling of 121139063 in words is "one hundred twenty-one million, one hundred thirty-nine thousand, sixty-three".