1124049978 has 24 divisors (see below), whose sum is σ = 2450960148. Its totient is φ = 372295872.

The previous prime is 1124049977. The next prime is 1124050019. The reversal of 1124049978 is 8799404211.

It is a happy number.

1124049978 is a `hidden beast` number, since 112 + 40 + 499 + 7 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1088802009 + 35247969 = 32997^2 + 5937^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1124049977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196051 + ... + 201702.

Almost surely, 2^1124049978 is an apocalyptic number.

1124049978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1124049978 is an abundant number, since it is smaller than the sum of its proper divisors (1326910170).

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

1124049978 is a wasteful number, since it uses less digits than its factorization.

1124049978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397918 (or 397915 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1124049978 is about 33526.8545795755. The cubic root of 1124049978 is about 1039.7490697614.

The spelling of 1124049978 in words is "one billion, one hundred twenty-four million, forty-nine thousand, nine hundred seventy-eight".