1122013240 has 16 divisors (see below), whose sum is σ = 2524529880. Its totient is φ = 448805280.

The previous prime is 1122013237. The next prime is 1122013247. The reversal of 1122013240 is 423102211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122013247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14025126 + ... + 14025205.

Almost surely, 2^1122013240 is an apocalyptic number.

1122013240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122013240 is an abundant number, since it is smaller than the sum of its proper divisors (1402516640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122013240 is a wasteful number, since it uses less digits than its factorization.

1122013240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28050342 (or 28050338 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1122013240 is about 33496.4660822601. The cubic root of 1122013240 is about 1039.1206941451.

Adding to 1122013240 its reverse (423102211), we get a palindrome (1545115451).

The spelling of 1122013240 in words is "one billion, one hundred twenty-two million, thirteen thousand, two hundred forty".