1124378946 has 24 divisors (see below), whose sum is σ = 2579458284. Its totient is φ = 352746240.

The previous prime is 1124378939. The next prime is 1124378947. The reversal of 1124378946 is 6498734211.

It can be written as a sum of positive squares in 2 ways, for example, as 1076561721 + 47817225 = 32811^2 + 6915^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1124378947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1836915 + ... + 1837526.

Almost surely, 2^1124378946 is an apocalyptic number.

1124378946 is an abundant number, since it is smaller than the sum of its proper divisors (1455079338).

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

1124378946 is a wasteful number, since it uses less digits than its factorization.

1124378946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3674466 (or 3674463 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 1124378946 is about 33531.7602580002. The cubic root of 1124378946 is about 1039.8504919450.

The spelling of 1124378946 in words is "one billion, one hundred twenty-four million, three hundred seventy-eight thousand, nine hundred forty-six".