1026621341 has 2 divisors, whose sum is σ = 1026621342. Its totient is φ = 1026621340.

The previous prime is 1026621331. The next prime is 1026621377. The reversal of 1026621341 is 1431266201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1025344441 + 1276900 = 32021^2 + 1130^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1026621341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1026621341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1026621331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513310670 + 513310671.

It is an arithmetic number, because the mean of its divisors is an integer number (513310671).

Almost surely, 2^1026621341 is an apocalyptic number.

It is an amenable number.

1026621341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026621341 is an equidigital number, since it uses as much as digits as its factorization.

1026621341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1026621341 is about 32040.9322742020. The cubic root of 1026621341 is about 1008.7961806771.

Adding to 1026621341 its reverse (1431266201), we get a palindrome (2457887542).

The spelling of 1026621341 in words is "one billion, twenty-six million, six hundred twenty-one thousand, three hundred forty-one".