1111441042 has 4 divisors (see below), whose sum is σ = 1667161566. Its totient is φ = 555720520.

The previous prime is 1111441031. The next prime is 1111441061. The reversal of 1111441042 is 2401441111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2401441111 = 577 ⋅4161943.

It can be written as a sum of positive squares in only one way, i.e., 791353161 + 320087881 = 28131^2 + 17891^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277860259 + ... + 277860262.

Almost surely, 2^1111441042 is an apocalyptic number.

1111441042 is a deficient number, since it is larger than the sum of its proper divisors (555720524).

1111441042 is an equidigital number, since it uses as much as digits as its factorization.

1111441042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555720523.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1111441042 is about 33338.2819293376. The cubic root of 1111441042 is about 1035.8466757042.

Adding to 1111441042 its reverse (2401441111), we get a palindrome (3512882153).

The spelling of 1111441042 in words is "one billion, one hundred eleven million, four hundred forty-one thousand, forty-two".