1290111241 has 8 divisors (see below), whose sum is σ = 1320732864. Its totient is φ = 1259517840.

The previous prime is 1290111217. The next prime is 1290111253. The reversal of 1290111241 is 1421110921.

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

It is a cyclic number.

It is not a de Polignac number, because 1290111241 - 2⁹ = 1290110729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1290111211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106980 + ... + 118426.

It is an arithmetic number, because the mean of its divisors is an integer number (165091608).

Almost surely, 2^1290111241 is an apocalyptic number.

It is an amenable number.

1290111241 is a deficient number, since it is larger than the sum of its proper divisors (30621623).

1290111241 is a wasteful number, since it uses less digits than its factorization.

1290111241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14111.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 1290111241 is about 35918.1185615282. The cubic root of 1290111241 is about 1088.6185233888.

It can be divided in two parts, 12901 and 11241, that added together give a palindrome (24142).

The spelling of 1290111241 in words is "one billion, two hundred ninety million, one hundred eleven thousand, two hundred forty-one".