42115127 has 2 divisors, whose sum is σ = 42115128. Its totient is φ = 42115126.

The previous prime is 42115121. The next prime is 42115133. The reversal of 42115127 is 72151124.

It is a balanced prime because it is at equal distance from previous prime (42115121) and next prime (42115133).

It is a cyclic number.

It is not a de Polignac number, because 42115127 - 2¹⁶ = 42049591 is a prime.

It is a super-2 number, since 2×42115127² = 3547367844452258, which contains 22 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 (42115121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21057563 + 21057564.

It is an arithmetic number, because the mean of its divisors is an integer number (21057564).

Almost surely, 2^42115127 is an apocalyptic number.

42115127 is a deficient number, since it is larger than the sum of its proper divisors (1).

42115127 is an equidigital number, since it uses as much as digits as its factorization.

42115127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 560, while the sum is 23.

The square root of 42115127 is about 6489.6168608016. The cubic root of 42115127 is about 347.9199814920.

The spelling of 42115127 in words is "forty-two million, one hundred fifteen thousand, one hundred twenty-seven".