1020301261 has 8 divisors (see below), whose sum is σ = 1171586624. Its totient is φ = 870397920.

The previous prime is 1020301241. The next prime is 1020301267. The reversal of 1020301261 is 1621030201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020301261 - 2¹³ = 1020293069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020301267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343920 + ... + 346873.

It is an arithmetic number, because the mean of its divisors is an integer number (146448328).

Almost surely, 2^1020301261 is an apocalyptic number.

It is an amenable number.

1020301261 is a deficient number, since it is larger than the sum of its proper divisors (151285363).

1020301261 is an equidigital number, since it uses as much as digits as its factorization.

1020301261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691011.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1020301261 is about 31942.1549210444. The cubic root of 1020301261 is about 1006.7218031265.

Adding to 1020301261 its reverse (1621030201), we get a palindrome (2641331462).

The spelling of 1020301261 in words is "one billion, twenty million, three hundred one thousand, two hundred sixty-one".