1121923835 has 4 divisors (see below), whose sum is σ = 1346308608. Its totient is φ = 897539064.

The previous prime is 1121923813. The next prime is 1121923843. The reversal of 1121923835 is 5383291211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1121923835 - 2¹⁸ = 1121661691 is a prime.

It is a super-2 number, since 2×1121923835² = 2517426183082214450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121923795 and 1121923804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112192379 + ... + 112192388.

It is an arithmetic number, because the mean of its divisors is an integer number (336577152).

Almost surely, 2^1121923835 is an apocalyptic number.

1121923835 is a deficient number, since it is larger than the sum of its proper divisors (224384773).

1121923835 is an equidigital number, since it uses as much as digits as its factorization.

1121923835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224384772.

The product of its digits is 12960, while the sum is 35.

The square root of 1121923835 is about 33495.1315119078. The cubic root of 1121923835 is about 1039.0930934449.

The spelling of 1121923835 in words is "one billion, one hundred twenty-one million, nine hundred twenty-three thousand, eight hundred thirty-five".