1120720346 has 8 divisors (see below), whose sum is σ = 1698411540. Its totient is φ = 554583168.

The previous prime is 1120720331. The next prime is 1120720361. The reversal of 1120720346 is 6430270211.

It is an interprime number because it is at equal distance from previous prime (1120720331) and next prime (1120720361).

It can be written as a sum of positive squares in 2 ways, for example, as 991557121 + 129163225 = 31489^2 + 11365^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2888261 + ... + 2888648.

Almost surely, 2^1120720346 is an apocalyptic number.

1120720346 is a deficient number, since it is larger than the sum of its proper divisors (577691194).

1120720346 is an equidigital number, since it uses as much as digits as its factorization.

1120720346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5777008.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1120720346 is about 33477.1615582922. The cubic root of 1120720346 is about 1038.7214150574.

Adding to 1120720346 its reverse (6430270211), we get a palindrome (7550990557).

The spelling of 1120720346 in words is "one billion, one hundred twenty million, seven hundred twenty thousand, three hundred forty-six".