60142091 has 2 divisors, whose sum is σ = 60142092. Its totient is φ = 60142090.

The previous prime is 60142067. The next prime is 60142109. The reversal of 60142091 is 19024106.

It is a happy number.

60142091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (60142109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 60142091 - 2¹⁸ = 59879947 is a prime.

It is a super-2 number, since 2×60142091² = 7234142219704562, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (60142021) 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, 30071045 + 30071046.

It is an arithmetic number, because the mean of its divisors is an integer number (30071046).

Almost surely, 2^60142091 is an apocalyptic number.

60142091 is a deficient number, since it is larger than the sum of its proper divisors (1).

60142091 is an equidigital number, since it uses as much as digits as its factorization.

60142091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 60142091 is about 7755.1332032403. The cubic root of 60142091 is about 391.7955579615.

Adding to 60142091 its reverse (19024106), we get a palindrome (79166197).

The spelling of 60142091 in words is "sixty million, one hundred forty-two thousand, ninety-one".