1120755142 has 16 divisors (see below), whose sum is σ = 1832266800. Its totient is φ = 511038432.

The previous prime is 1120755137. The next prime is 1120755143. The reversal of 1120755142 is 2415570211.

It is a self number, because there is not a number n which added to its sum of digits gives 1120755142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120755143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257517 + ... + 261832.

It is an arithmetic number, because the mean of its divisors is an integer number (114516675).

Almost surely, 2^1120755142 is an apocalyptic number.

1120755142 is a deficient number, since it is larger than the sum of its proper divisors (711511658).

1120755142 is a wasteful number, since it uses less digits than its factorization.

1120755142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519447.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 1120755142 is about 33477.6812518430. The cubic root of 1120755142 is about 1038.7321649816.

The spelling of 1120755142 in words is "one billion, one hundred twenty million, seven hundred fifty-five thousand, one hundred forty-two".