1301021022 has 16 divisors (see below), whose sum is σ = 2973762432. Its totient is φ = 371720280.

The previous prime is 1301021021. The next prime is 1301021039. The reversal of 1301021022 is 2201201031.

It is a junction number, because it is equal to n+sod(n) for n = 1301020989 and 1301021007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301021021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15488304 + ... + 15488387.

It is an arithmetic number, because the mean of its divisors is an integer number (185860152).

Almost surely, 2^1301021022 is an apocalyptic number.

1301021022 is an abundant number, since it is smaller than the sum of its proper divisors (1672741410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1301021022 is a wasteful number, since it uses less digits than its factorization.

1301021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30976703.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1301021022 is about 36069.6690031944. The cubic root of 1301021022 is about 1091.6785355067.

Adding to 1301021022 its reverse (2201201031), we get a palindrome (3502222053).

Subtracting 1301021022 from its reverse (2201201031), we obtain a square (900180009 = 30003²).

The spelling of 1301021022 in words is "one billion, three hundred one million, twenty-one thousand, twenty-two".