1023030139 has 2 divisors, whose sum is σ = 1023030140. Its totient is φ = 1023030138.

The previous prime is 1023030121. The next prime is 1023030181. The reversal of 1023030139 is 9310303201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1023030139 - 2¹³ = 1023021947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023030109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511515069 + 511515070.

It is an arithmetic number, because the mean of its divisors is an integer number (511515070).

Almost surely, 2^1023030139 is an apocalyptic number.

1023030139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023030139 is an equidigital number, since it uses as much as digits as its factorization.

1023030139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 1023030139 is about 31984.8423319547. The cubic root of 1023030139 is about 1007.6185236988.

The spelling of 1023030139 in words is "one billion, twenty-three million, thirty thousand, one hundred thirty-nine".