1154421054 has 12 divisors (see below), whose sum is σ = 2501245656. Its totient is φ = 384807012.

The previous prime is 1154421049. The next prime is 1154421061. The reversal of 1154421054 is 4501244511.

1154421054 is a `hidden beast` number, since 11 + 544 + 2 + 105 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32067234 + ... + 32067269.

It is an arithmetic number, because the mean of its divisors is an integer number (208437138).

Almost surely, 2^1154421054 is an apocalyptic number.

1154421054 is an abundant number, since it is smaller than the sum of its proper divisors (1346824602).

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

1154421054 is a wasteful number, since it uses less digits than its factorization.

1154421054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64134511 (or 64134508 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 1154421054 is about 33976.7722716564. The cubic root of 1154421054 is about 1049.0304137882.

Adding to 1154421054 its reverse (4501244511), we get a palindrome (5655665565).

The spelling of 1154421054 in words is "one billion, one hundred fifty-four million, four hundred twenty-one thousand, fifty-four".