130021051 has 2 divisors, whose sum is σ = 130021052. Its totient is φ = 130021050.

The previous prime is 130021043. The next prime is 130021097. The reversal of 130021051 is 150120031.

It is a weak prime.

It is an emirp because it is prime and its reverse (150120031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130021051 - 2³ = 130021043 is a prime.

It is not a weakly prime, because it can be changed into another prime (130021651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65010525 + 65010526.

It is an arithmetic number, because the mean of its divisors is an integer number (65010526).

Almost surely, 2^130021051 is an apocalyptic number.

130021051 is a deficient number, since it is larger than the sum of its proper divisors (1).

130021051 is an equidigital number, since it uses as much as digits as its factorization.

130021051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 130021051 is about 11402.6773610411. The cubic root of 130021051 is about 506.6070440479.

Adding to 130021051 its reverse (150120031), we get a palindrome (280141082).

The spelling of 130021051 in words is "one hundred thirty million, twenty-one thousand, fifty-one".