1123401739 has 8 divisors (see below), whose sum is σ = 1173425760. Its totient is φ = 1074130176.

The previous prime is 1123401737. The next prime is 1123401757. The reversal of 1123401739 is 9371043211.

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

It is a cyclic number.

It is not a de Polignac number, because 1123401739 - 2¹ = 1123401737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123401739.

It is not an unprimeable number, because it can be changed into a prime (1123401731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185062 + ... + 191035.

It is an arithmetic number, because the mean of its divisors is an integer number (146678220).

Almost surely, 2^1123401739 is an apocalyptic number.

1123401739 is a deficient number, since it is larger than the sum of its proper divisors (50024021).

1123401739 is a wasteful number, since it uses less digits than its factorization.

1123401739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376229.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1123401739 is about 33517.1857261316. The cubic root of 1123401739 is about 1039.5491570890.

The spelling of 1123401739 in words is "one billion, one hundred twenty-three million, four hundred one thousand, seven hundred thirty-nine".