1154004016 has 80 divisors (see below), whose sum is σ = 2530695168. Its totient is φ = 505036800.

The previous prime is 1154003987. The next prime is 1154004017. The reversal of 1154004016 is 6104004511.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1154004017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1401781 + ... + 1402603.

Almost surely, 2^1154004016 is an apocalyptic number.

1154004016 is a gapful number since it is divisible by the number (16) 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 1154004016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1265347584).

1154004016 is an abundant number, since it is smaller than the sum of its proper divisors (1376691152).

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

1154004016 is a wasteful number, since it uses less digits than its factorization.

1154004016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130 (or 1124 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1154004016 is about 33970.6346128535. The cubic root of 1154004016 is about 1048.9040768000.

Multiplying 1154004016 by its sum of digits (22), we get a palindrome (25388088352).

Adding to 1154004016 its reverse (6104004511), we get a palindrome (7258008527).

The spelling of 1154004016 in words is "one billion, one hundred fifty-four million, four thousand, sixteen".