1207287828 has 30 divisors (see below), whose sum is σ = 3156089706. Its totient is φ = 402429168.

The previous prime is 1207287811. The next prime is 1207287859. The reversal of 1207287828 is 8287827021.

It can be written as a sum of positive squares in only one way, i.e., 1019652624 + 187635204 = 31932^2 + 13698^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1862775 + ... + 1863422.

Almost surely, 2^1207287828 is an apocalyptic number.

1207287828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1207287828 is an abundant number, since it is smaller than the sum of its proper divisors (1948801878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1207287828 is a wasteful number, since it uses less digits than its factorization.

1207287828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3726213 (or 3726202 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 45.

The square root of 1207287828 is about 34746.0476601296. The cubic root of 1207287828 is about 1064.8054713142.

The spelling of 1207287828 in words is "one billion, two hundred seven million, two hundred eighty-seven thousand, eight hundred twenty-eight".