1123540035 has 16 divisors (see below), whose sum is σ = 1799300256. Its totient is φ = 598675968.

The previous prime is 1123540031. The next prime is 1123540073. The reversal of 1123540035 is 5300453211.

It is not a de Polignac number, because 1123540035 - 2² = 1123540031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123539987 and 1123540014.

It is not an unprimeable number, because it can be changed into a prime (1123540031) 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 15 ways as a sum of consecutive naturals, for example, 16774 + ... + 50283.

It is an arithmetic number, because the mean of its divisors is an integer number (112456266).

Almost surely, 2^1123540035 is an apocalyptic number.

1123540035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1123540035 is a deficient number, since it is larger than the sum of its proper divisors (675760221).

1123540035 is a wasteful number, since it uses less digits than its factorization.

1123540035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68182.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1123540035 is about 33519.2487236811. The cubic root of 1123540035 is about 1039.5918131239.

Adding to 1123540035 its reverse (5300453211), we get a palindrome (6423993246).

The spelling of 1123540035 in words is "one billion, one hundred twenty-three million, five hundred forty thousand, thirty-five".