84126151 has 2 divisors, whose sum is σ = 84126152. Its totient is φ = 84126150.

The previous prime is 84126139. The next prime is 84126169. The reversal of 84126151 is 15162148.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84126151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84156151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42063075 + 42063076.

It is an arithmetic number, because the mean of its divisors is an integer number (42063076).

Almost surely, 2^84126151 is an apocalyptic number.

84126151 is a deficient number, since it is larger than the sum of its proper divisors (1).

84126151 is an equidigital number, since it uses as much as digits as its factorization.

84126151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 28.

The square root of 84126151 is about 9172.0309092371. The cubic root of 84126151 is about 438.1710427103.

Adding to 84126151 its reverse (15162148), we get a palindrome (99288299).

The spelling of 84126151 in words is "eighty-four million, one hundred twenty-six thousand, one hundred fifty-one".