1111402241 has 4 divisors (see below), whose sum is σ = 1113630000. Its totient is φ = 1109174484.

The previous prime is 1111402223. The next prime is 1111402247. The reversal of 1111402241 is 1422041111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1422041111 = 19 ⋅74844269.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111402241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111402247) 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 3 ways as a sum of consecutive naturals, for example, 1113131 + ... + 1114128.

It is an arithmetic number, because the mean of its divisors is an integer number (278407500).

Almost surely, 2^1111402241 is an apocalyptic number.

It is an amenable number.

1111402241 is a deficient number, since it is larger than the sum of its proper divisors (2227759).

1111402241 is an equidigital number, since it uses as much as digits as its factorization.

1111402241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227758.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1111402241 is about 33337.6999956506. The cubic root of 1111402241 is about 1035.8346215771.

Adding to 1111402241 its reverse (1422041111), we get a palindrome (2533443352).

The spelling of 1111402241 in words is "one billion, one hundred eleven million, four hundred two thousand, two hundred forty-one".