1041620261 has 16 divisors (see below), whose sum is σ = 1223946240. Its totient is φ = 876219120.

The previous prime is 1041620227. The next prime is 1041620267. The reversal of 1041620261 is 1620261401.

It is a cyclic number.

It is not a de Polignac number, because 1041620261 - 2²² = 1037425957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041620267) 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 15 ways as a sum of consecutive naturals, for example, 48965 + ... + 66938.

It is an arithmetic number, because the mean of its divisors is an integer number (76496640).

Almost surely, 2^1041620261 is an apocalyptic number.

1041620261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1041620261 is a deficient number, since it is larger than the sum of its proper divisors (182325979).

1041620261 is a wasteful number, since it uses less digits than its factorization.

1041620261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115976.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1041620261 is about 32274.1422968915. The cubic root of 1041620261 is about 1013.6852791113.

Adding to 1041620261 its reverse (1620261401), we get a palindrome (2661881662).

The spelling of 1041620261 in words is "one billion, forty-one million, six hundred twenty thousand, two hundred sixty-one".