1141057 has 4 divisors (see below), whose sum is σ = 1208196. Its totient is φ = 1073920.

The previous prime is 1141039. The next prime is 1141061. The reversal of 1141057 is 7501411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7501411 = 31 ⋅241981.

It can be written as a sum of positive squares in 2 ways, for example, as 732736 + 408321 = 856^2 + 639^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141057 - 2⁷ = 1140929 is a prime.

It is a super-2 number, since 2×1141057² = 2604022154498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141027) 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, 33544 + ... + 33577.

It is an arithmetic number, because the mean of its divisors is an integer number (302049).

2^1141057 is an apocalyptic number.

1141057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1141057 is a deficient number, since it is larger than the sum of its proper divisors (67139).

1141057 is an equidigital number, since it uses as much as digits as its factorization.

1141057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67138.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 1141057 is about 1068.2026961209. The cubic root of 1141057 is about 104.4966689261.

Adding to 1141057 its reverse (7501411), we get a palindrome (8642468).

It can be divided in two parts, 11410 and 57, that multiplied together give a triangular number (650370 = T₁₁₄₀).

The spelling of 1141057 in words is "one million, one hundred forty-one thousand, fifty-seven".