1022541261 has 12 divisors (see below), whose sum is σ = 1585982592. Its totient is φ = 584309208.

The previous prime is 1022541253. The next prime is 1022541263. The reversal of 1022541261 is 1621452201.

It is not a de Polignac number, because 1022541261 - 2³ = 1022541253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022541263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3477885 + ... + 3478178.

It is an arithmetic number, because the mean of its divisors is an integer number (132165216).

Almost surely, 2^1022541261 is an apocalyptic number.

It is an amenable number.

1022541261 is a deficient number, since it is larger than the sum of its proper divisors (563441331).

1022541261 is an equidigital number, since it uses as much as digits as its factorization.

1022541261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6956080 (or 6956073 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1022541261 is about 31977.1990799695. The cubic root of 1022541261 is about 1007.4579937210.

Adding to 1022541261 its reverse (1621452201), we get a palindrome (2643993462).

The spelling of 1022541261 in words is "one billion, twenty-two million, five hundred forty-one thousand, two hundred sixty-one".