1154921504 has 48 divisors (see below), whose sum is σ = 2495797920. Its totient is φ = 521717760.

The previous prime is 1154921489. The next prime is 1154921533. The reversal of 1154921504 is 4051294511.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47312 + ... + 67440.

It is an arithmetic number, because the mean of its divisors is an integer number (51995790).

Almost surely, 2^1154921504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1154921504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1247898960).

1154921504 is an abundant number, since it is smaller than the sum of its proper divisors (1340876416).

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

1154921504 is a wasteful number, since it uses less digits than its factorization.

1154921504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20313 (or 20305 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 1154921504 is about 33984.1360637577. The cubic root of 1154921504 is about 1049.1819793501.

The spelling of 1154921504 in words is "one billion, one hundred fifty-four million, nine hundred twenty-one thousand, five hundred four".