1146857 has 2 divisors, whose sum is σ = 1146858. Its totient is φ = 1146856.

The previous prime is 1146841. The next prime is 1146869. The reversal of 1146857 is 7586411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1142761 + 4096 = 1069^2 + 64^2 .

It is a cyclic number.

It is not a de Polignac number, because 1146857 - 2⁴ = 1146841 is a prime.

It is not a weakly prime, because it can be changed into another prime (1146877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573428 + 573429.

It is an arithmetic number, because the mean of its divisors is an integer number (573429).

2^1146857 is an apocalyptic number.

It is an amenable number.

1146857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146857 is an equidigital number, since it uses as much as digits as its factorization.

1146857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 32.

The square root of 1146857 is about 1070.9140955277. The cubic root of 1146857 is about 104.6734221955.

The spelling of 1146857 in words is "one million, one hundred forty-six thousand, eight hundred fifty-seven".