1241123263 has 16 divisors (see below), whose sum is σ = 1385625600. Its totient is φ = 1106218080.

The previous prime is 1241123251. The next prime is 1241123269. The reversal of 1241123263 is 3623211421.

It is a cyclic number.

It is not a de Polignac number, because 1241123263 - 2²¹ = 1239026111 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 (1241123269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3378 + ... + 49936.

It is an arithmetic number, because the mean of its divisors is an integer number (86601600).

Almost surely, 2^1241123263 is an apocalyptic number.

1241123263 is a deficient number, since it is larger than the sum of its proper divisors (144502337).

1241123263 is a wasteful number, since it uses less digits than its factorization.

1241123263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46662.

The product of its digits is 1728, while the sum is 25.

The square root of 1241123263 is about 35229.5793758597. The cubic root of 1241123263 is about 1074.6613717631.

Adding to 1241123263 its reverse (3623211421), we get a palindrome (4864334684).

The spelling of 1241123263 in words is "one billion, two hundred forty-one million, one hundred twenty-three thousand, two hundred sixty-three".