1121342554 has 8 divisors (see below), whose sum is σ = 1710522720. Its totient is φ = 551168316.

The previous prime is 1121342549. The next prime is 1121342567. The reversal of 1121342554 is 4552431211.

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

It is a super-2 number, since 2×1121342554² = 2514818246822485832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4751334 + ... + 4751569.

It is an arithmetic number, because the mean of its divisors is an integer number (213815340).

Almost surely, 2^1121342554 is an apocalyptic number.

1121342554 is a deficient number, since it is larger than the sum of its proper divisors (589180166).

1121342554 is an equidigital number, since it uses as much as digits as its factorization.

1121342554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9502964.

The product of its digits is 4800, while the sum is 28.

The square root of 1121342554 is about 33486.4532908458. The cubic root of 1121342554 is about 1038.9136072808.

Adding to 1121342554 its reverse (4552431211), we get a palindrome (5673773765).

The spelling of 1121342554 in words is "one billion, one hundred twenty-one million, three hundred forty-two thousand, five hundred fifty-four".