1154122044 has 24 divisors (see below), whose sum is σ = 2851360848. Its totient is φ = 362077440.

The previous prime is 1154122031. The next prime is 1154122049. The reversal of 1154122044 is 4402214511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154122049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2828527 + ... + 2828934.

It is an arithmetic number, because the mean of its divisors is an integer number (118806702).

Almost surely, 2^1154122044 is an apocalyptic number.

It is an amenable number.

1154122044 is an abundant number, since it is smaller than the sum of its proper divisors (1697238804).

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

1154122044 is a wasteful number, since it uses less digits than its factorization.

1154122044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5657485 (or 5657483 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1154122044 is about 33972.3717747231. The cubic root of 1154122044 is about 1048.9398351476.

Adding to 1154122044 its reverse (4402214511), we get a palindrome (5556336555).

The spelling of 1154122044 in words is "one billion, one hundred fifty-four million, one hundred twenty-two thousand, forty-four".