1128361936 has 40 divisors (see below), whose sum is σ = 2380863240. Its totient is φ = 514922496.

The previous prime is 1128361933. The next prime is 1128361939. The reversal of 1128361936 is 6391638211.

It is an interprime number because it is at equal distance from previous prime (1128361933) and next prime (1128361939).

It can be written as a sum of positive squares in 4 ways, for example, as 23464336 + 1104897600 = 4844^2 + 33240^2 .

It is a super-2 number, since 2×1128361936² = 2546401317227336192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128361933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11965 + ... + 48988.

It is an arithmetic number, because the mean of its divisors is an integer number (59521581).

Almost surely, 2^1128361936 is an apocalyptic number.

1128361936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1128361936 is an abundant number, since it is smaller than the sum of its proper divisors (1252501304).

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

1128361936 is a wasteful number, since it uses less digits than its factorization.

1128361936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61063 (or 61057 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 1128361936 is about 33591.0990591258. The cubic root of 1128361936 is about 1041.0768973319.

The spelling of 1128361936 in words is "one billion, one hundred twenty-eight million, three hundred sixty-one thousand, nine hundred thirty-six".