1141657 has 4 divisors (see below), whose sum is σ = 1245456. Its totient is φ = 1037860.

The previous prime is 1141649. The next prime is 1141661. The reversal of 1141657 is 7561411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1141657 - 2³ = 1141649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51883 + ... + 51904.

It is an arithmetic number, because the mean of its divisors is an integer number (311364).

2^1141657 is an apocalyptic number.

It is an amenable number.

1141657 is a deficient number, since it is larger than the sum of its proper divisors (103799).

1141657 is a wasteful number, since it uses less digits than its factorization.

1141657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103798.

The product of its digits is 840, while the sum is 25.

The square root of 1141657 is about 1068.4835047861. The cubic root of 1141657 is about 104.5149814834.

It can be divided in two parts, 114 and 1657, that added together give a palindrome (1771).

The spelling of 1141657 in words is "one million, one hundred forty-one thousand, six hundred fifty-seven".