1121546013 has 8 divisors (see below), whose sum is σ = 1709022528. Its totient is φ = 640883424.

The previous prime is 1121545991. The next prime is 1121546053. The reversal of 1121546013 is 3106451211.

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 1121546013 - 2⁶ = 1121545949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121546053) 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, 26703456 + ... + 26703497.

It is an arithmetic number, because the mean of its divisors is an integer number (213627816).

Almost surely, 2^1121546013 is an apocalyptic number.

It is an amenable number.

1121546013 is a deficient number, since it is larger than the sum of its proper divisors (587476515).

1121546013 is an equidigital number, since it uses as much as digits as its factorization.

1121546013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53406963.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1121546013 is about 33489.4910830248. The cubic root of 1121546013 is about 1038.9764377811.

Adding to 1121546013 its reverse (3106451211), we get a palindrome (4227997224).

The spelling of 1121546013 in words is "one billion, one hundred twenty-one million, five hundred forty-six thousand, thirteen".