1002101239 has 2 divisors, whose sum is σ = 1002101240. Its totient is φ = 1002101238.

The previous prime is 1002101161. The next prime is 1002101267. The reversal of 1002101239 is 9321012001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002101239 - 2¹³ = 1002093047 is a prime.

It is a super-4 number, since 4×1002101239⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002101279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501050619 + 501050620.

It is an arithmetic number, because the mean of its divisors is an integer number (501050620).

Almost surely, 2^1002101239 is an apocalyptic number.

1002101239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002101239 is an equidigital number, since it uses as much as digits as its factorization.

1002101239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1002101239 is about 31655.9826731062. The cubic root of 1002101239 is about 1000.6999229935.

The spelling of 1002101239 in words is "one billion, two million, one hundred one thousand, two hundred thirty-nine".