1000772450 has 12 divisors (see below), whose sum is σ = 1861436850. Its totient is φ = 400308960.

The previous prime is 1000772449. The next prime is 1000772471. The reversal of 1000772450 is 542770001.

It can be written as a sum of positive squares in 3 ways, for example, as 736742449 + 264030001 = 27143^2 + 16249^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10007675 + ... + 10007774.

Almost surely, 2^1000772450 is an apocalyptic number.

1000772450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000772450 is a deficient number, since it is larger than the sum of its proper divisors (860664400).

1000772450 is a wasteful number, since it uses less digits than its factorization.

1000772450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20015461 (or 20015456 counting only the distinct ones).

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

The square root of 1000772450 is about 31634.9877509064. The cubic root of 1000772450 is about 1000.2574170641.

The spelling of 1000772450 in words is "one billion, seven hundred seventy-two thousand, four hundred fifty".