1121031461 has 8 divisors (see below), whose sum is σ = 1246018464. Its totient is φ = 999890320.

The previous prime is 1121031433. The next prime is 1121031463. The reversal of 1121031461 is 1641301211.

It is a happy number.

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

It is not a de Polignac number, because 1121031461 - 2⁶ = 1121031397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121031463) 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, 960851 + ... + 962016.

It is an arithmetic number, because the mean of its divisors is an integer number (155752308).

Almost surely, 2^1121031461 is an apocalyptic number.

1121031461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1121031461 is a deficient number, since it is larger than the sum of its proper divisors (124987003).

1121031461 is a wasteful number, since it uses less digits than its factorization.

1121031461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922931.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1121031461 is about 33481.8079111627. The cubic root of 1121031461 is about 1038.8175234563.

Adding to 1121031461 its reverse (1641301211), we get a palindrome (2762332672).

The spelling of 1121031461 in words is "one billion, one hundred twenty-one million, thirty-one thousand, four hundred sixty-one".