1200040034 has 4 divisors (see below), whose sum is σ = 1800060054. Its totient is φ = 600020016.

The previous prime is 1200040033. The next prime is 1200040043. The reversal of 1200040034 is 4300400021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4300400021 = 61 ⋅70498361.

It can be written as a sum of positive squares in only one way, i.e., 1062564409 + 137475625 = 32597^2 + 11725^2 .

It is not an unprimeable number, because it can be changed into a prime (1200040031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300010007 + ... + 300010010.

Almost surely, 2^1200040034 is an apocalyptic number.

1200040034 is a deficient number, since it is larger than the sum of its proper divisors (600020020).

1200040034 is an equidigital number, since it uses as much as digits as its factorization.

1200040034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600020019.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1200040034 is about 34641.5939875751. The cubic root of 1200040034 is about 1062.6703864049.

Adding to 1200040034 its reverse (4300400021), we get a palindrome (5500440055).

The spelling of 1200040034 in words is "one billion, two hundred million, forty thousand, thirty-four".