121415039 has 2 divisors, whose sum is σ = 121415040. Its totient is φ = 121415038.

The previous prime is 121415027. The next prime is 121415051. The reversal of 121415039 is 930514121.

It is a balanced prime because it is at equal distance from previous prime (121415027) and next prime (121415051).

It is an emirp because it is prime and its reverse (930514121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121415039 - 2¹² = 121410943 is a prime.

It is a super-2 number, since 2×121415039² = 29483223390743042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121414999 and 121415017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121415009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60707519 + 60707520.

It is an arithmetic number, because the mean of its divisors is an integer number (60707520).

Almost surely, 2^121415039 is an apocalyptic number.

121415039 is a deficient number, since it is larger than the sum of its proper divisors (1).

121415039 is an equidigital number, since it uses as much as digits as its factorization.

121415039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 121415039 is about 11018.8492593374. The cubic root of 121415039 is about 495.1736138955.

The spelling of 121415039 in words is "one hundred twenty-one million, four hundred fifteen thousand, thirty-nine".