1121245349 has 16 divisors (see below), whose sum is σ = 1291537920. Its totient is φ = 953512560.

The previous prime is 1121245337. The next prime is 1121245379. The reversal of 1121245349 is 9435421211.

It is not a de Polignac number, because 1121245349 - 2²⁰ = 1120196773 is a prime.

It is a super-2 number, since 2×1121245349² = 2514382265308263602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121245379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558782 + ... + 560784.

It is an arithmetic number, because the mean of its divisors is an integer number (80721120).

Almost surely, 2^1121245349 is an apocalyptic number.

It is an amenable number.

1121245349 is a deficient number, since it is larger than the sum of its proper divisors (170292571).

1121245349 is a wasteful number, since it uses less digits than its factorization.

1121245349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600.

The product of its digits is 8640, while the sum is 32.

The square root of 1121245349 is about 33485.0018515753. The cubic root of 1121245349 is about 1038.8835865659.

The spelling of 1121245349 in words is "one billion, one hundred twenty-one million, two hundred forty-five thousand, three hundred forty-nine".