1123378954 has 8 divisors (see below), whose sum is σ = 1686389760. Its totient is φ = 561249036.

The previous prime is 1123378951. The next prime is 1123378987. The reversal of 1123378954 is 4598733211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1123378954.

It is not an unprimeable number, because it can be changed into a prime (1123378951) 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, 217024 + ... + 222139.

It is an arithmetic number, because the mean of its divisors is an integer number (210798720).

Almost surely, 2^1123378954 is an apocalyptic number.

1123378954 is a deficient number, since it is larger than the sum of its proper divisors (563010806).

1123378954 is a wasteful number, since it uses less digits than its factorization.

1123378954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440444.

The product of its digits is 181440, while the sum is 43.

The square root of 1123378954 is about 33516.8458241524. The cubic root of 1123378954 is about 1039.5421289450.

The spelling of 1123378954 in words is "one billion, one hundred twenty-three million, three hundred seventy-eight thousand, nine hundred fifty-four".