60142891 has 2 divisors, whose sum is σ = 60142892. Its totient is φ = 60142890.

The previous prime is 60142867. The next prime is 60142903. The reversal of 60142891 is 19824106.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 60142891 - 2⁷ = 60142763 is a prime.

It is not a weakly prime, because it can be changed into another prime (60142801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30071445 + 30071446.

It is an arithmetic number, because the mean of its divisors is an integer number (30071446).

Almost surely, 2^60142891 is an apocalyptic number.

60142891 is a deficient number, since it is larger than the sum of its proper divisors (1).

60142891 is an equidigital number, since it uses as much as digits as its factorization.

60142891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 60142891 is about 7755.1847818089. The cubic root of 60142891 is about 391.7972951534.

Adding to 60142891 its reverse (19824106), we get a palindrome (79966997).

The spelling of 60142891 in words is "sixty million, one hundred forty-two thousand, eight hundred ninety-one".