1300077172 has 12 divisors (see below), whose sum is σ = 2278520356. Its totient is φ = 649071360.

The previous prime is 1300077157. The next prime is 1300077173. The reversal of 1300077172 is 2717700031.

It can be written as a sum of positive squares in 2 ways, for example, as 597509136 + 702568036 = 24444^2 + 26506^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1300077172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300077173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238779 + ... + 244162.

Almost surely, 2^1300077172 is an apocalyptic number.

It is an amenable number.

1300077172 is a deficient number, since it is larger than the sum of its proper divisors (978443184).

1300077172 is a wasteful number, since it uses less digits than its factorization.

1300077172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483618 (or 483616 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 28.

The square root of 1300077172 is about 36056.5829218466. The cubic root of 1300077172 is about 1091.4144787803.

The spelling of 1300077172 in words is "one billion, three hundred million, seventy-seven thousand, one hundred seventy-two".