1026572101 has 2 divisors, whose sum is σ = 1026572102. Its totient is φ = 1026572100.

The previous prime is 1026572083. The next prime is 1026572177. The reversal of 1026572101 is 1012756201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1000203876 + 26368225 = 31626^2 + 5135^2 .

It is an emirp because it is prime and its reverse (1012756201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1026572101 - 2¹⁷ = 1026441029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1026572201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513286050 + 513286051.

It is an arithmetic number, because the mean of its divisors is an integer number (513286051).

Almost surely, 2^1026572101 is an apocalyptic number.

It is an amenable number.

1026572101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026572101 is an equidigital number, since it uses as much as digits as its factorization.

1026572101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 1026572101 is about 32040.1638728643. The cubic root of 1026572101 is about 1008.7800520696.

The spelling of 1026572101 in words is "one billion, twenty-six million, five hundred seventy-two thousand, one hundred one".