1030120020187 has 2 divisors, whose sum is σ = 1030120020188. Its totient is φ = 1030120020186.

The previous prime is 1030120020157. The next prime is 1030120020269. The reversal of 1030120020187 is 7810200210301.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1030120020187 - 2³⁵ = 995760281819 is a prime.

It is a super-2 number, since 2×1030120020187² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1030120020157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515060010093 + 515060010094.

It is an arithmetic number, because the mean of its divisors is an integer number (515060010094).

Almost surely, 2^{1030120020187} is an apocalyptic number.

1030120020187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030120020187 is an equidigital number, since it uses as much as digits as its factorization.

1030120020187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 1030120020187 its reverse (7810200210301), we get a palindrome (8840320230488).

The spelling of 1030120020187 in words is "one trillion, thirty billion, one hundred twenty million, twenty thousand, one hundred eighty-seven".