1120983555 has 16 divisors (see below), whose sum is σ = 1835285760. Its totient is φ = 583953888.

The previous prime is 1120983541. The next prime is 1120983557. The reversal of 1120983555 is 5553890211.

It is not a de Polignac number, because 1120983555 - 2⁶ = 1120983491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1120983557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 868335 + ... + 869624.

It is an arithmetic number, because the mean of its divisors is an integer number (114705360).

Almost surely, 2^1120983555 is an apocalyptic number.

1120983555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1120983555 is a deficient number, since it is larger than the sum of its proper divisors (714302205).

1120983555 is a wasteful number, since it uses less digits than its factorization.

1120983555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738010.

The product of its (nonzero) digits is 54000, while the sum is 39.

The square root of 1120983555 is about 33481.0925000962. The cubic root of 1120983555 is about 1038.8027256851.

The spelling of 1120983555 in words is "one billion, one hundred twenty million, nine hundred eighty-three thousand, five hundred fifty-five".