1120001142 has 16 divisors (see below), whose sum is σ = 2412310320. Its totient is φ = 344615712.

The previous prime is 1120001119. The next prime is 1120001159. The reversal of 1120001142 is 2411000211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7179417 + ... + 7179572.

It is an arithmetic number, because the mean of its divisors is an integer number (150769395).

Almost surely, 2^1120001142 is an apocalyptic number.

1120001142 is an abundant number, since it is smaller than the sum of its proper divisors (1292309178).

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

1120001142 is a wasteful number, since it uses less digits than its factorization.

1120001142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14359007.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1120001142 is about 33466.4181232471. The cubic root of 1120001142 is about 1038.4991733361.

Adding to 1120001142 its reverse (2411000211), we get a palindrome (3531001353).

The spelling of 1120001142 in words is "one billion, one hundred twenty million, one thousand, one hundred forty-two".