1320040034 has 4 divisors (see below), whose sum is σ = 1980060054. Its totient is φ = 660020016.

The previous prime is 1320040019. The next prime is 1320040039. The reversal of 1320040034 is 4300400231.

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

It can be written as a sum of positive squares in only one way, i.e., 1135487809 + 184552225 = 33697^2 + 13585^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1320039994 and 1320040021.

It is not an unprimeable number, because it can be changed into a prime (1320040039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330010007 + ... + 330010010.

Almost surely, 2^1320040034 is an apocalyptic number.

1320040034 is a deficient number, since it is larger than the sum of its proper divisors (660020020).

1320040034 is an equidigital number, since it uses as much as digits as its factorization.

1320040034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660020019.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1320040034 is about 36332.3551947847. The cubic root of 1320040034 is about 1096.9724002100.

Adding to 1320040034 its reverse (4300400231), we get a palindrome (5620440265).

The spelling of 1320040034 in words is "one billion, three hundred twenty million, forty thousand, thirty-four".