1005272270 has 16 divisors (see below), whose sum is σ = 1888164000. Its totient is φ = 384625824.

The previous prime is 1005272263. The next prime is 1005272287. The reversal of 1005272270 is 722725001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2185145 + ... + 2185604.

It is an arithmetic number, because the mean of its divisors is an integer number (118010250).

Almost surely, 2^1005272270 is an apocalyptic number.

1005272270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1005272270 is a deficient number, since it is larger than the sum of its proper divisors (882891730).

1005272270 is a wasteful number, since it uses less digits than its factorization.

1005272270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4370779.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 1005272270 is about 31706.0289219574. The cubic root of 1005272270 is about 1001.7543438113.

Adding to 1005272270 its reverse (722725001), we get a palindrome (1727997271).

The spelling of 1005272270 in words is "one billion, five million, two hundred seventy-two thousand, two hundred seventy".