1001060639 has 2 divisors, whose sum is σ = 1001060640. Its totient is φ = 1001060638.

The previous prime is 1001060573. The next prime is 1001060651. The reversal of 1001060639 is 9360601001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001060639 - 2¹⁶ = 1000995103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001060689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500530319 + 500530320.

It is an arithmetic number, because the mean of its divisors is an integer number (500530320).

Almost surely, 2^1001060639 is an apocalyptic number.

1001060639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001060639 is an equidigital number, since it uses as much as digits as its factorization.

1001060639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 1001060639 is about 31639.5423323410. The cubic root of 1001060639 is about 1000.3534214119.

The spelling of 1001060639 in words is "one billion, one million, sixty thousand, six hundred thirty-nine".