1153022004 has 36 divisors (see below), whose sum is σ = 2924105184. Its totient is φ = 383085072.

The previous prime is 1153021999. The next prime is 1153022021. The reversal of 1153022004 is 4002203511.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41112 + ... + 63215.

It is an arithmetic number, because the mean of its divisors is an integer number (81225144).

Almost surely, 2^1153022004 is an apocalyptic number.

It is an amenable number.

1153022004 is an abundant number, since it is smaller than the sum of its proper divisors (1771083180).

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

1153022004 is a wasteful number, since it uses less digits than its factorization.

1153022004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104644 (or 104639 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1153022004 is about 33956.1777000887. The cubic root of 1153022004 is about 1048.6064670033.

Adding to 1153022004 its reverse (4002203511), we get a palindrome (5155225515).

The spelling of 1153022004 in words is "one billion, one hundred fifty-three million, twenty-two thousand, four".