1121454043 has 8 divisors (see below), whose sum is σ = 1181365200. Its totient is φ = 1061631648.

The previous prime is 1121454029. The next prime is 1121454067. The reversal of 1121454043 is 3404541211.

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 1121454043 - 2¹⁷ = 1121322971 is a prime.

It is a super-2 number, since 2×1121454043² = 2515318341122091698, 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 = 1121453999 and 1121454017.

It is not an unprimeable number, because it can be changed into a prime (1121454343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4593 + ... + 47581.

It is an arithmetic number, because the mean of its divisors is an integer number (147670650).

Almost surely, 2^1121454043 is an apocalyptic number.

1121454043 is a deficient number, since it is larger than the sum of its proper divisors (59911157).

1121454043 is a wasteful number, since it uses less digits than its factorization.

1121454043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44381.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1121454043 is about 33488.1179375611. The cubic root of 1121454043 is about 1038.9480373190.

Adding to 1121454043 its reverse (3404541211), we get a palindrome (4525995254).

The spelling of 1121454043 in words is "one billion, one hundred twenty-one million, four hundred fifty-four thousand, forty-three".