1234032985 has 4 divisors (see below), whose sum is σ = 1480839588. Its totient is φ = 987226384.

The previous prime is 1234032983. The next prime is 1234032997. The reversal of 1234032985 is 5892304321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 835152201 + 398880784 = 28899^2 + 19972^2 .

It is a cyclic number.

It is not a de Polignac number, because 1234032985 - 2¹ = 1234032983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1234032983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123403294 + ... + 123403303.

It is an arithmetic number, because the mean of its divisors is an integer number (370209897).

Almost surely, 2^1234032985 is an apocalyptic number.

It is an amenable number.

1234032985 is a deficient number, since it is larger than the sum of its proper divisors (246806603).

1234032985 is an equidigital number, since it uses as much as digits as its factorization.

1234032985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246806602.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 1234032985 is about 35128.8056301378. The cubic root of 1234032985 is about 1072.6110237288.

The spelling of 1234032985 in words is "one billion, two hundred thirty-four million, thirty-two thousand, nine hundred eighty-five".