42151027 has 2 divisors, whose sum is σ = 42151028. Its totient is φ = 42151026.

The previous prime is 42151009. The next prime is 42151049. The reversal of 42151027 is 72015124.

It is a happy number.

It is an a-pointer prime, because the next prime (42151049) can be obtained adding 42151027 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42151027 - 2¹¹ = 42148979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42150989 and 42151007.

It is not a weakly prime, because it can be changed into another prime (42151097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21075513 + 21075514.

It is an arithmetic number, because the mean of its divisors is an integer number (21075514).

Almost surely, 2^42151027 is an apocalyptic number.

42151027 is a deficient number, since it is larger than the sum of its proper divisors (1).

42151027 is an equidigital number, since it uses as much as digits as its factorization.

42151027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 42151027 is about 6492.3822284274. The cubic root of 42151027 is about 348.0188120143.

The spelling of 42151027 in words is "forty-two million, one hundred fifty-one thousand, twenty-seven".