1120623985 has 32 divisors (see below), whose sum is σ = 1479467808. Its totient is φ = 809809920.

The previous prime is 1120623983. The next prime is 1120624007. The reversal of 1120623985 is 5893260211.

It can be written as a sum of positive squares in 16 ways, for example, as 1092236401 + 28387584 = 33049^2 + 5328^2 .

It is not a de Polignac number, because 1120623985 - 2¹ = 1120623983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1120623983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 923239 + ... + 924451.

It is an arithmetic number, because the mean of its divisors is an integer number (46233369).

Almost surely, 2^1120623985 is an apocalyptic number.

It is an amenable number.

1120623985 is a deficient number, since it is larger than the sum of its proper divisors (358843823).

1120623985 is a wasteful number, since it uses less digits than its factorization.

1120623985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 1120623985 is about 33475.7223223040. The cubic root of 1120623985 is about 1038.6916439959.

The spelling of 1120623985 in words is "one billion, one hundred twenty million, six hundred twenty-three thousand, nine hundred eighty-five".