1121103142 has 8 divisors (see below), whose sum is σ = 1682570736. Its totient is φ = 560246232.

The previous prime is 1121103119. The next prime is 1121103143. The reversal of 1121103142 is 2413011211.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121103143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148053 + ... + 155440.

It is an arithmetic number, because the mean of its divisors is an integer number (210321342).

Almost surely, 2^1121103142 is an apocalyptic number.

1121103142 is a deficient number, since it is larger than the sum of its proper divisors (561467594).

1121103142 is a wasteful number, since it uses less digits than its factorization.

1121103142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305342.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1121103142 is about 33482.8783410268. The cubic root of 1121103142 is about 1038.8396643430.

Adding to 1121103142 its reverse (2413011211), we get a palindrome (3534114353).

The spelling of 1121103142 in words is "one billion, one hundred twenty-one million, one hundred three thousand, one hundred forty-two".