130121023 has 2 divisors, whose sum is σ = 130121024. Its totient is φ = 130121022.

The previous prime is 130121011. The next prime is 130121059. The reversal of 130121023 is 320121031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130121023 - 2²¹ = 128023871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130120994 and 130121012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130121083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65060511 + 65060512.

It is an arithmetic number, because the mean of its divisors is an integer number (65060512).

Almost surely, 2^130121023 is an apocalyptic number.

130121023 is a deficient number, since it is larger than the sum of its proper divisors (1).

130121023 is an equidigital number, since it uses as much as digits as its factorization.

130121023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 130121023 is about 11407.0602260179. The cubic root of 130121023 is about 506.7368526289.

Adding to 130121023 its reverse (320121031), we get a palindrome (450242054).

The spelling of 130121023 in words is "one hundred thirty million, one hundred twenty-one thousand, twenty-three".