115420069 has 2 divisors, whose sum is σ = 115420070. Its totient is φ = 115420068.

The previous prime is 115420033. The next prime is 115420103. The reversal of 115420069 is 960024511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115283169 + 136900 = 10737^2 + 370^2 .

It is a cyclic number.

It is not a de Polignac number, because 115420069 - 2²¹ = 113322917 is a prime.

It is a super-2 number, since 2×115420069² = 26643584655929522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115420169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57710034 + 57710035.

It is an arithmetic number, because the mean of its divisors is an integer number (57710035).

Almost surely, 2^115420069 is an apocalyptic number.

It is an amenable number.

115420069 is a deficient number, since it is larger than the sum of its proper divisors (1).

115420069 is an equidigital number, since it uses as much as digits as its factorization.

115420069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 115420069 is about 10743.3732598286. The cubic root of 115420069 is about 486.8858014723.

The spelling of 115420069 in words is "one hundred fifteen million, four hundred twenty thousand, sixty-nine".