1122242013 has 16 divisors (see below), whose sum is σ = 1734867840. Its totient is φ = 715632192.

The previous prime is 1122241999. The next prime is 1122242021. The reversal of 1122242013 is 3102422211.

It is a happy number.

1122242013 is a `hidden beast` number, since 11 + 222 + 420 + 13 = 666.

It is not a de Polignac number, because 1122242013 - 2⁴ = 1122241997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122242413) 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, 902956 + ... + 904197.

It is an arithmetic number, because the mean of its divisors is an integer number (108429240).

Almost surely, 2^1122242013 is an apocalyptic number.

It is an amenable number.

1122242013 is a deficient number, since it is larger than the sum of its proper divisors (612625827).

1122242013 is a wasteful number, since it uses less digits than its factorization.

1122242013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807185 (or 1807179 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1122242013 is about 33499.8807908327. The cubic root of 1122242013 is about 1039.1913132178.

Adding to 1122242013 its reverse (3102422211), we get a palindrome (4224664224).

It can be divided in two parts, 11222 and 42013, that added together give a palindrome (53235).

The spelling of 1122242013 in words is "one billion, one hundred twenty-two million, two hundred forty-two thousand, thirteen".