101428487 has 2 divisors, whose sum is σ = 101428488. Its totient is φ = 101428486.

The previous prime is 101428471. The next prime is 101428501. The reversal of 101428487 is 784824101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101428487 - 2⁴ = 101428471 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 (101428427) 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, 50714243 + 50714244.

It is an arithmetic number, because the mean of its divisors is an integer number (50714244).

Almost surely, 2^101428487 is an apocalyptic number.

101428487 is a deficient number, since it is larger than the sum of its proper divisors (1).

101428487 is an equidigital number, since it uses as much as digits as its factorization.

101428487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 101428487 is about 10071.1710838412. The cubic root of 101428487 is about 466.3585919609.

The spelling of 101428487 in words is "one hundred one million, four hundred twenty-eight thousand, four hundred eighty-seven".