1126278384 has 80 divisors (see below), whose sum is σ = 3627505920. Its totient is φ = 292538880.

The previous prime is 1126278379. The next prime is 1126278389. The reversal of 1126278384 is 4838726211.

It is an interprime number because it is at equal distance from previous prime (1126278379) and next prime (1126278389).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126278389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148669 + ... + 156060.

It is an arithmetic number, because the mean of its divisors is an integer number (45343824).

Almost surely, 2^1126278384 is an apocalyptic number.

1126278384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1126278384 is an abundant number, since it is smaller than the sum of its proper divisors (2501227536).

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

1126278384 is a wasteful number, since it uses less digits than its factorization.

1126278384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304758 (or 304752 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 1126278384 is about 33560.0712752521. The cubic root of 1126278384 is about 1040.4357099379.

The spelling of 1126278384 in words is "one billion, one hundred twenty-six million, two hundred seventy-eight thousand, three hundred eighty-four".