1120455342 has 80 divisors (see below), whose sum is σ = 2563035552. Its totient is φ = 365783040.

The previous prime is 1120455337. The next prime is 1120455359. The reversal of 1120455342 is 2435540211.

1120455342 is a `hidden beast` number, since 1 + 120 + 4 + 5 + 534 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1775367 + ... + 1775997.

Almost surely, 2^1120455342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1120455342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1281517776).

1120455342 is an abundant number, since it is smaller than the sum of its proper divisors (1442580210).

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

1120455342 is a wasteful number, since it uses less digits than its factorization.

1120455342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1120455342 is about 33473.2033423752. The cubic root of 1120455342 is about 1038.6395370552.

Adding to 1120455342 its reverse (2435540211), we get a palindrome (3555995553).

The spelling of 1120455342 in words is "one billion, one hundred twenty million, four hundred fifty-five thousand, three hundred forty-two".