1120276542 has 128 divisors (see below), whose sum is σ = 2884792320. Its totient is φ = 281629440.

The previous prime is 1120276541. The next prime is 1120276559. The reversal of 1120276542 is 2456720211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120276541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1989553 + ... + 1990115.

It is an arithmetic number, because the mean of its divisors is an integer number (22537440).

Almost surely, 2^1120276542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1120276542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1442396160).

1120276542 is an abundant number, since it is smaller than the sum of its proper divisors (1764515778).

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

1120276542 is a wasteful number, since it uses less digits than its factorization.

1120276542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1120276542 is about 33470.5324427324. The cubic root of 1120276542 is about 1038.5842861164.

Adding to 1120276542 its reverse (2456720211), we get a palindrome (3576996753).

The spelling of 1120276542 in words is "one billion, one hundred twenty million, two hundred seventy-six thousand, five hundred forty-two".