1080720151 has 4 divisors (see below), whose sum is σ = 1235108752. Its totient is φ = 926331552.

The previous prime is 1080720097. The next prime is 1080720203. The reversal of 1080720151 is 1510270801.

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

It is a cyclic number.

It is not a de Polignac number, because 1080720151 - 2⁷ = 1080720023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080720451) 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, 77194290 + ... + 77194303.

It is an arithmetic number, because the mean of its divisors is an integer number (308777188).

Almost surely, 2^1080720151 is an apocalyptic number.

1080720151 is a deficient number, since it is larger than the sum of its proper divisors (154388601).

1080720151 is an equidigital number, since it uses as much as digits as its factorization.

1080720151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154388600.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 1080720151 is about 32874.3083729529. The cubic root of 1080720151 is about 1026.2135619465.

Adding to 1080720151 its reverse (1510270801), we get a palindrome (2590990952).

The spelling of 1080720151 in words is "one billion, eighty million, seven hundred twenty thousand, one hundred fifty-one".