1122436590 has 128 divisors (see below), whose sum is σ = 3200601600. Its totient is φ = 248855040.

The previous prime is 1122436573. The next prime is 1122436603. The reversal of 1122436590 is 956342211.

1122436590 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 178744 + ... + 184916.

It is an arithmetic number, because the mean of its divisors is an integer number (25004700).

Almost surely, 2^1122436590 is an apocalyptic number.

1122436590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122436590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1600300800).

1122436590 is an abundant number, since it is smaller than the sum of its proper divisors (2078165010).

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

1122436590 is a wasteful number, since it uses less digits than its factorization.

1122436590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6242.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1122436590 is about 33502.7848096244. The cubic root of 1122436590 is about 1039.2513689042.

The spelling of 1122436590 in words is "one billion, one hundred twenty-two million, four hundred thirty-six thousand, five hundred ninety".