1080620497 has 16 divisors (see below), whose sum is σ = 1258398720. Its totient is φ = 917557200.

The previous prime is 1080620479. The next prime is 1080620581. The reversal of 1080620497 is 7940260801.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1080620497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1080620407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21573 + ... + 51250.

It is an arithmetic number, because the mean of its divisors is an integer number (78649920).

Almost surely, 2^1080620497 is an apocalyptic number.

It is an amenable number.

1080620497 is a deficient number, since it is larger than the sum of its proper divisors (177778223).

1080620497 is a wasteful number, since it uses less digits than its factorization.

1080620497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72924.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1080620497 is about 32872.7926559336. The cubic root of 1080620497 is about 1026.1820183411.

The spelling of 1080620497 in words is "one billion, eighty million, six hundred twenty thousand, four hundred ninety-seven".