1121285941 has 8 divisors (see below), whose sum is σ = 1140003000. Its totient is φ = 1102718400.

The previous prime is 1121285923. The next prime is 1121285959. The reversal of 1121285941 is 1495821211.

It is an interprime number because it is at equal distance from previous prime (1121285923) and next prime (1121285959).

It can be written as a sum of positive squares in 4 ways, for example, as 92736900 + 1028549041 = 9630^2 + 32071^2 .

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 1121285941 - 2¹³ = 1121277749 is a prime.

It is a super-2 number, since 2×1121285941² = 2514564322968510962, 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 = 1121285897 and 1121285906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121286941) 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 7 ways as a sum of consecutive naturals, for example, 22206 + ... + 52303.

It is an arithmetic number, because the mean of its divisors is an integer number (142500375).

Almost surely, 2^1121285941 is an apocalyptic number.

It is an amenable number.

1121285941 is a deficient number, since it is larger than the sum of its proper divisors (18717059).

1121285941 is a wasteful number, since it uses less digits than its factorization.

1121285941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74759.

The product of its digits is 5760, while the sum is 34.

The square root of 1121285941 is about 33485.6079682003. The cubic root of 1121285941 is about 1038.8961231779.

The spelling of 1121285941 in words is "one billion, one hundred twenty-one million, two hundred eighty-five thousand, nine hundred forty-one".