1122513400 has 96 divisors (see below), whose sum is σ = 2838367440. Its totient is φ = 411125760.

The previous prime is 1122513397. The next prime is 1122513401. The reversal of 1122513400 is 43152211.

1122513400 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122513401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121339 + ... + 130261.

Almost surely, 2^1122513400 is an apocalyptic number.

1122513400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122513400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1419183720).

1122513400 is an abundant number, since it is smaller than the sum of its proper divisors (1715854040).

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

1122513400 is a wasteful number, since it uses less digits than its factorization.

1122513400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8993 (or 8984 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1122513400 is about 33503.9311126321. The cubic root of 1122513400 is about 1039.2750742008.

Adding to 1122513400 its reverse (43152211), we get a palindrome (1165665611).

The spelling of 1122513400 in words is "one billion, one hundred twenty-two million, five hundred thirteen thousand, four hundred".