1111004142 has 64 divisors (see below), whose sum is σ = 2339656704. Its totient is φ = 351336960.

The previous prime is 1111004137. The next prime is 1111004149. The reversal of 1111004142 is 2414001111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111004149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3549378 + ... + 3549690.

It is an arithmetic number, because the mean of its divisors is an integer number (36557136).

Almost surely, 2^1111004142 is an apocalyptic number.

1111004142 is an abundant number, since it is smaller than the sum of its proper divisors (1228652562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111004142 is a wasteful number, since it uses less digits than its factorization.

1111004142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1111004142 is about 33331.7287580467. The cubic root of 1111004142 is about 1035.7109297947.

Adding to 1111004142 its reverse (2414001111), we get a palindrome (3525005253).

The spelling of 1111004142 in words is "one billion, one hundred eleven million, four thousand, one hundred forty-two".