1241633545 has 32 divisors (see below), whose sum is σ = 1609445376. Its totient is φ = 917644800.

The previous prime is 1241633537. The next prime is 1241633593. The reversal of 1241633545 is 5453361421.

It is not a de Polignac number, because 1241633545 - 2³ = 1241633537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1241633545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296607 + ... + 300763.

It is an arithmetic number, because the mean of its divisors is an integer number (50295168).

Almost surely, 2^1241633545 is an apocalyptic number.

It is an amenable number.

1241633545 is a deficient number, since it is larger than the sum of its proper divisors (367811831).

1241633545 is a wasteful number, since it uses less digits than its factorization.

1241633545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4281.

The product of its digits is 43200, while the sum is 34.

The square root of 1241633545 is about 35236.8208696528. The cubic root of 1241633545 is about 1074.8086322415.

Adding to 1241633545 its reverse (5453361421), we get a palindrome (6694994966).

The spelling of 1241633545 in words is "one billion, two hundred forty-one million, six hundred thirty-three thousand, five hundred forty-five".