1154856053 has 8 divisors (see below), whose sum is σ = 1316849688. Its totient is φ = 1003313664.

The previous prime is 1154856023. The next prime is 1154856077. The reversal of 1154856053 is 3506584511.

It can be written as a sum of positive squares in 4 ways, for example, as 47430769 + 1107425284 = 6887^2 + 33278^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1154856053 - 2⁸ = 1154855797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1154855998 and 1154856016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154856023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2612576 + ... + 2613017.

It is an arithmetic number, because the mean of its divisors is an integer number (164606211).

Almost surely, 2^1154856053 is an apocalyptic number.

1154856053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1154856053 is a deficient number, since it is larger than the sum of its proper divisors (161993635).

1154856053 is a wasteful number, since it uses less digits than its factorization.

1154856053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5225623.

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 1154856053 is about 33983.1730861025. The cubic root of 1154856053 is about 1049.1621594441.

The spelling of 1154856053 in words is "one billion, one hundred fifty-four million, eight hundred fifty-six thousand, fifty-three".