1172799054 has 128 divisors (see below), whose sum is σ = 3187891200. Its totient is φ = 312128640.

The previous prime is 1172799053. The next prime is 1172799079. The reversal of 1172799054 is 4509972711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172799053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 436764 + ... + 439440.

It is an arithmetic number, because the mean of its divisors is an integer number (24905400).

Almost surely, 2^1172799054 is an apocalyptic number.

1172799054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1172799054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1593945600).

1172799054 is an abundant number, since it is smaller than the sum of its proper divisors (2015092146).

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

1172799054 is a wasteful number, since it uses less digits than its factorization.

1172799054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775 (or 2769 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

The square root of 1172799054 is about 34246.1538570392. The cubic root of 1172799054 is about 1054.5678707613.

The spelling of 1172799054 in words is "one billion, one hundred seventy-two million, seven hundred ninety-nine thousand, fifty-four".