1101223254 has 32 divisors (see below), whose sum is σ = 2253588480. Its totient is φ = 358580672.

The previous prime is 1101223247. The next prime is 1101223289. The reversal of 1101223254 is 4523221011.

It is a self number, because there is not a number n which added to its sum of digits gives 1101223254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157027 + ... + 163889.

It is an arithmetic number, because the mean of its divisors is an integer number (70424640).

Almost surely, 2^1101223254 is an apocalyptic number.

1101223254 is an abundant number, since it is smaller than the sum of its proper divisors (1152365226).

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

1101223254 is a wasteful number, since it uses less digits than its factorization.

1101223254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7484.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1101223254 is about 33184.6840274245. The cubic root of 1101223254 is about 1032.6626224239.

Adding to 1101223254 its reverse (4523221011), we get a palindrome (5624444265).

The spelling of 1101223254 in words is "one billion, one hundred one million, two hundred twenty-three thousand, two hundred fifty-four".