1027250779 has 12 divisors (see below), whose sum is σ = 1059973992. Its totient is φ = 995467200.

The previous prime is 1027250773. The next prime is 1027250801. The reversal of 1027250779 is 9770527201.

It is a happy number.

It is not a de Polignac number, because 1027250779 - 2¹¹ = 1027248731 is a prime.

It is a super-2 number, since 2×1027250779² = 2110488325912213682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1027250773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240099 + ... + 244339.

It is an arithmetic number, because the mean of its divisors is an integer number (88331166).

Almost surely, 2^1027250779 is an apocalyptic number.

1027250779 is a deficient number, since it is larger than the sum of its proper divisors (32723213).

1027250779 is an equidigital number, since it uses as much as digits as its factorization.

1027250779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458 (or 4415 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 40.

The square root of 1027250779 is about 32050.7531736775. The cubic root of 1027250779 is about 1009.0023082590.

The spelling of 1027250779 in words is "one billion, twenty-seven million, two hundred fifty thousand, seven hundred seventy-nine".