1153221054 has 8 divisors (see below), whose sum is σ = 2306442120. Its totient is φ = 384407016.

The previous prime is 1153221031. The next prime is 1153221067. The reversal of 1153221054 is 4501223511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1153221054 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96101749 + ... + 96101760.

It is an arithmetic number, because the mean of its divisors is an integer number (288305265).

Almost surely, 2^1153221054 is an apocalyptic number.

1153221054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1153221054 is a wasteful number, since it uses less digits than its factorization.

1153221054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192203514.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1153221054 is about 33959.1085572045. The cubic root of 1153221054 is about 1048.6668049982. Note that the first 3 decimals are identical.

Adding to 1153221054 its reverse (4501223511), we get a palindrome (5654444565).

The spelling of 1153221054 in words is "one billion, one hundred fifty-three million, two hundred twenty-one thousand, fifty-four".