1154057 has 4 divisors (see below), whose sum is σ = 1169940. Its totient is φ = 1138176.

The previous prime is 1154051. The next prime is 1154119. The reversal of 1154057 is 7504511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 287296 + 866761 = 536^2 + 931^2 .

It is a cyclic number.

It is not a de Polignac number, because 1154057 - 2¹⁴ = 1137673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1154051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7832 + ... + 7977.

It is an arithmetic number, because the mean of its divisors is an integer number (292485).

2^1154057 is an apocalyptic number.

It is an amenable number.

1154057 is a deficient number, since it is larger than the sum of its proper divisors (15883).

1154057 is an equidigital number, since it uses as much as digits as its factorization.

1154057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15882.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 1154057 is about 1074.2704501195. The cubic root of 1154057 is about 104.8920129397.

Adding to 1154057 its reverse (7504511), we get a palindrome (8658568).

The spelling of 1154057 in words is "one million, one hundred fifty-four thousand, fifty-seven".