42502127 has 2 divisors, whose sum is σ = 42502128. Its totient is φ = 42502126.

The previous prime is 42502123. The next prime is 42502153. The reversal of 42502127 is 72120524.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42502127 - 2² = 42502123 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42502123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21251063 + 21251064.

It is an arithmetic number, because the mean of its divisors is an integer number (21251064).

Almost surely, 2^42502127 is an apocalyptic number.

42502127 is a deficient number, since it is larger than the sum of its proper divisors (1).

42502127 is an equidigital number, since it uses as much as digits as its factorization.

42502127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 42502127 is about 6519.3655366147. The cubic root of 42502127 is about 348.9824239992.

The spelling of 42502127 in words is "forty-two million, five hundred two thousand, one hundred twenty-seven".